feat(desktop): session router, interrupt agent, visual cleanup

packages/desktop/package.json

@@ -31,6 +31,7 @@
     "@solid-primitives/event-bus": "1.1.2",
     "@solid-primitives/resize-observer": "2.1.3",
     "@solid-primitives/scroll": "2.1.3",
+    "@solid-primitives/storage": "4.3.3",
     "@solidjs/meta": "catalog:",
     "@solidjs/router": "0.15.3",
     "@thisbeyond/solid-dnd": "0.7.5",

packages/desktop/src/components/message-progress.tsx

@@ -70,9 +70,8 @@ export function MessageProgress(props: { assistantMessages: () => AssistantMessa
 
   const lastPart = createMemo(() => resolvedParts().slice(-1)?.at(0))
   const rawStatus = createMemo(() => {
-    const defaultStatus = "Working..."
     const last = lastPart()
-    if (!last) return defaultStatus
+    if (!last) return undefined
 
     if (last.type === "tool") {
       switch (last.tool) {
@@ -102,7 +101,7 @@ export function MessageProgress(props: { assistantMessages: () => AssistantMessa
     } else if (last.type === "text") {
       return "Gathering thoughts..."
     }
-    return defaultStatus
+    return undefined
   })
 
   const [status, setStatus] = createSignal(rawStatus())
@@ -111,11 +110,11 @@ export function MessageProgress(props: { assistantMessages: () => AssistantMessa
 
   createEffect(() => {
     const newStatus = rawStatus()
-    if (newStatus === status()) return
+    if (newStatus === status() || !newStatus) return
 
     const timeSinceLastChange = Date.now() - lastStatusChange
 
-    if (timeSinceLastChange >= 1000) {
+    if (timeSinceLastChange >= 1500) {
       setStatus(newStatus)
       lastStatusChange = Date.now()
       if (statusTimeout) {
@@ -145,7 +144,7 @@ export function MessageProgress(props: { assistantMessages: () => AssistantMessa
       {/*   )} */}
       {/* </Show> */}
       <div class="flex items-center gap-x-5 pl-3 border border-transparent text-text-base">
-        <Spinner /> <span class="text-12-medium">{status()}</span>
+        <Spinner /> <span class="text-12-medium">{status() ?? "Considering next steps..."}</span>
       </div>
       <Show when={eligibleItems().length > 0}>
         <div

packages/desktop/src/components/prompt-input.tsx

@@ -1,51 +1,41 @@
 import { Button, Icon, IconButton, Select, SelectDialog } from "@opencode-ai/ui"
 import { useFilteredList } from "@opencode-ai/ui/hooks"
-import { createEffect, on, Component, createMemo, Show, For, onMount, onCleanup } from "solid-js"
+import { createEffect, on, Component, Show, For, onMount, onCleanup } from "solid-js"
 import { createStore } from "solid-js/store"
 import { FileIcon } from "@/ui"
 import { getDirectory, getFilename } from "@/utils"
 import { createFocusSignal } from "@solid-primitives/active-element"
-import { TextSelection, useLocal } from "@/context/local"
+import { useLocal } from "@/context/local"
 import { DateTime } from "luxon"
-
-interface PartBase {
-  content: string
-  start: number
-  end: number
-}
-
-export interface TextPart extends PartBase {
-  type: "text"
-}
-
-export interface FileAttachmentPart extends PartBase {
-  type: "file"
-  path: string
-  selection?: TextSelection
-}
-
-export type ContentPart = TextPart | FileAttachmentPart
+import { ContentPart, DEFAULT_PROMPT, isPromptEqual, Prompt, useSession } from "@/context/session"
+import { useSDK } from "@/context/sdk"
+import { useNavigate } from "@solidjs/router"
+import { useSync } from "@/context/sync"
 
 interface PromptInputProps {
-  onSubmit: (parts: ContentPart[]) => void
   class?: string
   ref?: (el: HTMLDivElement) => void
 }
 
 export const PromptInput: Component<PromptInputProps> = (props) => {
+  const navigate = useNavigate()
+  const sdk = useSDK()
+  const sync = useSync()
   const local = useLocal()
+  const session = useSession()
   let editorRef!: HTMLDivElement
 
-  const defaultParts = [{ type: "text", content: "", start: 0, end: 0 } as const]
   const [store, setStore] = createStore<{
-    contentParts: ContentPart[]
     popoverIsOpen: boolean
   }>({
-    contentParts: defaultParts,
     popoverIsOpen: false,
   })
 
-  const isEmpty = createMemo(() => isEqual(store.contentParts, defaultParts))
+  createEffect(() => {
+    session.id
+    editorRef.focus()
+  })
+
   const isFocused = createFocusSignal(() => editorRef)
 
   const handlePaste = (event: ClipboardEvent) => {
@@ -71,14 +61,16 @@ export const PromptInput: Component<PromptInputProps> = (props) => {
     }
   })
 
+  const handleFileSelect = (path: string | undefined) => {
+    if (!path) return
+    addPart({ type: "file", path, content: "@" + getFilename(path), start: 0, end: 0 })
+    setStore("popoverIsOpen", false)
+  }
+
   const { flat, active, onInput, onKeyDown, refetch } = useFilteredList<string>({
     items: local.file.searchFilesAndDirectories,
     key: (x) => x,
-    onSelect: (path) => {
-      if (!path) return
-      addPart({ type: "file", path, content: "@" + getFilename(path), start: 0, end: 0 })
-      setStore("popoverIsOpen", false)
-    },
+    onSelect: handleFileSelect,
   })
 
   createEffect(() => {
@@ -88,10 +80,10 @@ export const PromptInput: Component<PromptInputProps> = (props) => {
 
   createEffect(
     on(
-      () => store.contentParts,
+      () => session.prompt.current(),
       (currentParts) => {
         const domParts = parseFromDOM()
-        if (isEqual(currentParts, domParts)) return
+        if (isPromptEqual(currentParts, domParts)) return
 
         const selection = window.getSelection()
         let cursorPosition: number | null = null
@@ -122,8 +114,18 @@ export const PromptInput: Component<PromptInputProps> = (props) => {
     ),
   )
 
-  const parseFromDOM = (): ContentPart[] => {
-    const newParts: ContentPart[] = []
+  createEffect(
+    on(
+      () => session.prompt.cursor(),
+      (cursor) => {
+        if (cursor === undefined) return
+        queueMicrotask(() => setCursorPosition(editorRef, cursor))
+      },
+    ),
+  )
+
+  const parseFromDOM = (): Prompt => {
+    const newParts: Prompt = []
     let position = 0
     editorRef.childNodes.forEach((node) => {
       if (node.nodeType === Node.TEXT_NODE) {
@@ -150,7 +152,7 @@ export const PromptInput: Component<PromptInputProps> = (props) => {
         }
       }
     })
-    if (newParts.length === 0) newParts.push(...defaultParts)
+    if (newParts.length === 0) newParts.push(...DEFAULT_PROMPT)
     return newParts
   }
 
@@ -167,12 +169,15 @@ export const PromptInput: Component<PromptInputProps> = (props) => {
       setStore("popoverIsOpen", false)
     }
 
-    setStore("contentParts", rawParts)
+    session.prompt.set(rawParts, cursorPosition)
   }
 
   const addPart = (part: ContentPart) => {
     const cursorPosition = getCursorPosition(editorRef)
-    const rawText = store.contentParts.map((p) => p.content).join("")
+    const rawText = session.prompt
+      .current()
+      .map((p) => p.content)
+      .join("")
     const textBeforeCursor = rawText.substring(0, cursorPosition)
     const atMatch = textBeforeCursor.match(/@(\S*)$/)
 
@@ -198,7 +203,7 @@ export const PromptInput: Component<PromptInputProps> = (props) => {
       parts: nextParts,
       inserted,
       cursorPositionAfter,
-    } = store.contentParts.reduce(
+    } = session.prompt.current().reduce(
       (acc, item) => {
         if (acc.inserted) {
           acc.parts.push({ ...item, start: acc.runningIndex, end: acc.runningIndex + item.content.length })
@@ -257,7 +262,7 @@ export const PromptInput: Component<PromptInputProps> = (props) => {
     )
 
     if (!inserted) {
-      const baseParts = store.contentParts.filter((item) => !(item.type === "text" && item.content === ""))
+      const baseParts = session.prompt.current().filter((item) => !(item.type === "text" && item.content === ""))
       const runningIndex = baseParts.reduce((sum, p) => sum + p.content.length, 0)
       const appendedAcc = { parts: [...baseParts] as ContentPart[], runningIndex }
       if (part.type === "text") {
@@ -270,20 +275,27 @@ export const PromptInput: Component<PromptInputProps> = (props) => {
           end: appendedAcc.runningIndex + part.content.length,
         })
       }
-      const next = appendedAcc.parts.length > 0 ? appendedAcc.parts : defaultParts
-      setStore("contentParts", next)
-      setStore("popoverIsOpen", false)
+      const next = appendedAcc.parts.length > 0 ? appendedAcc.parts : DEFAULT_PROMPT
       const nextCursor = rawText.length + part.content.length
+      session.prompt.set(next, nextCursor)
+      setStore("popoverIsOpen", false)
       queueMicrotask(() => setCursorPosition(editorRef, nextCursor))
       return
     }
 
-    setStore("contentParts", nextParts)
+    session.prompt.set(nextParts, cursorPositionAfter)
     setStore("popoverIsOpen", false)
 
     queueMicrotask(() => setCursorPosition(editorRef, cursorPositionAfter))
   }
 
+  const abort = () =>
+    sdk.client.session.abort({
+      path: {
+        id: session.id!,
+      },
+    })
+
   const handleKeyDown = (event: KeyboardEvent) => {
     if (store.popoverIsOpen && (event.key === "ArrowUp" || event.key === "ArrowDown" || event.key === "Enter")) {
       onKeyDown(event)
@@ -293,14 +305,101 @@ export const PromptInput: Component<PromptInputProps> = (props) => {
     if (event.key === "Enter" && !event.shiftKey) {
       handleSubmit(event)
     }
+    if (event.key === "Escape") {
+      if (store.popoverIsOpen) {
+        setStore("popoverIsOpen", false)
+      } else if (session.working()) {
+        abort()
+      }
+    }
   }
 
-  const handleSubmit = (event: Event) => {
+  const handleSubmit = async (event: Event) => {
     event.preventDefault()
-    if (store.contentParts.length > 0) {
-      props.onSubmit([...store.contentParts])
-      setStore("contentParts", defaultParts)
+    const text = session.prompt
+      .current()
+      .map((part) => part.content)
+      .join("")
+    if (text.trim().length === 0) {
+      if (session.working()) abort()
+      return
     }
+
+    let existing = session.info()
+    if (!existing) {
+      const created = await sdk.client.session.create()
+      existing = created.data ?? undefined
+    }
+    if (!existing) return
+
+    navigate(`/session/${existing.id}`)
+    if (!session.id) {
+      // session.layout.setOpenedTabs(
+      // session.layout.copyTabs("", session.id)
+    }
+    session.layout.setActiveTab(undefined)
+    const toAbsolutePath = (path: string) => (path.startsWith("/") ? path : sync.absolute(path))
+
+    const attachments = session.prompt.current().filter((part) => part.type === "file")
+
+    // const activeFile = local.context.active()
+    // if (activeFile) {
+    //   registerAttachment(
+    //     activeFile.path,
+    //     activeFile.selection,
+    //     activeFile.name ?? formatAttachmentLabel(activeFile.path, activeFile.selection),
+    //   )
+    // }
+
+    // for (const contextFile of local.context.all()) {
+    //   registerAttachment(
+    //     contextFile.path,
+    //     contextFile.selection,
+    //     formatAttachmentLabel(contextFile.path, contextFile.selection),
+    //   )
+    // }
+
+    const attachmentParts = attachments.map((attachment) => {
+      const absolute = toAbsolutePath(attachment.path)
+      const query = attachment.selection
+        ? `?start=${attachment.selection.startLine}&end=${attachment.selection.endLine}`
+        : ""
+      return {
+        type: "file" as const,
+        mime: "text/plain",
+        url: `file://${absolute}${query}`,
+        filename: getFilename(attachment.path),
+        source: {
+          type: "file" as const,
+          text: {
+            value: attachment.content,
+            start: attachment.start,
+            end: attachment.end,
+          },
+          path: absolute,
+        },
+      }
+    })
+
+    session.prompt.set(DEFAULT_PROMPT, 0)
+
+    await sdk.client.session.prompt({
+      path: { id: existing.id },
+      body: {
+        agent: local.agent.current()!.name,
+        model: {
+          modelID: local.model.current()!.id,
+          providerID: local.model.current()!.provider.id,
+        },
+        parts: [
+          {
+            type: "text",
+            text,
+          },
+          ...attachmentParts,
+        ],
+      },
+    })
   }
 
   return (
@@ -310,11 +409,12 @@ export const PromptInput: Component<PromptInputProps> = (props) => {
           <Show when={flat().length > 0} fallback={<div class="text-text-weak px-2">No matching files</div>}>
             <For each={flat()}>
               {(i) => (
-                <div
+                <button
                   classList={{
                     "w-full flex items-center justify-between rounded-md": true,
                     "bg-surface-raised-base-hover": active() === i,
                   }}
+                  onClick={() => handleFileSelect(i)}
                 >
                   <div class="flex items-center gap-x-2 grow min-w-0">
                     <FileIcon node={{ path: i, type: "file" }} class="shrink-0 size-4" />
@@ -326,7 +426,7 @@ export const PromptInput: Component<PromptInputProps> = (props) => {
                     </div>
                   </div>
                   <div class="flex items-center gap-x-1 text-text-muted/40 shrink-0"></div>
-                </div>
+                </button>
               )}
             </For>
           </Show>
@@ -354,7 +454,7 @@ export const PromptInput: Component<PromptInputProps> = (props) => {
               "[&>[data-type=file]]:text-icon-info-active": true,
             }}
           />
-          <Show when={isEmpty()}>
+          <Show when={!session.prompt.dirty()}>
             <div class="absolute top-0 left-0 p-3 text-14-regular text-text-weak pointer-events-none">
               Plan and build anything
             </div>
@@ -419,29 +519,18 @@ export const PromptInput: Component<PromptInputProps> = (props) => {
               )}
             </SelectDialog>
           </div>
-          <IconButton type="submit" disabled={isEmpty()} icon="arrow-up" variant="primary" />
+          <IconButton
+            type="submit"
+            disabled={!session.prompt.dirty() && !session.working()}
+            icon={session.working() ? "stop" : "arrow-up"}
+            variant="primary"
+          />
         </div>
       </form>
     </div>
   )
 }
 
-function isEqual(arrA: ContentPart[], arrB: ContentPart[]): boolean {
-  if (arrA.length !== arrB.length) return false
-  for (let i = 0; i < arrA.length; i++) {
-    const partA = arrA[i]
-    const partB = arrB[i]
-    if (partA.type !== partB.type) return false
-    if (partA.type === "text" && partA.content !== (partB as TextPart).content) {
-      return false
-    }
-    if (partA.type === "file" && partA.path !== (partB as FileAttachmentPart).path) {
-      return false
-    }
-  }
-  return true
-}
-
 function getCursorPosition(parent: HTMLElement): number {
   const selection = window.getSelection()
   if (!selection || selection.rangeCount === 0) return 0

packages/desktop/src/context/local.tsx

@@ -195,18 +195,10 @@ export const { use: useLocal, provider: LocalProvider } = createSimpleContext({
     const file = (() => {
       const [store, setStore] = createStore<{
         node: Record<string, LocalFile>
-        // opened: string[]
-        // active?: string
       }>({
         node: Object.fromEntries(sync.data.node.map((x) => [x.path, x])),
-        // opened: [],
       })
 
-      // const active = createMemo(() => {
-      //   if (!store.active) return undefined
-      //   return store.node[store.active]
-      // })
-      // const opened = createMemo(() => store.opened.map((x) => store.node[x]))
       const changeset = createMemo(() => new Set(sync.data.changes.map((f) => f.path)))
       const changes = createMemo(() => Array.from(changeset()).sort((a, b) => a.localeCompare(b)))
 
@@ -247,18 +239,18 @@ export const { use: useLocal, provider: LocalProvider } = createSimpleContext({
         return false
       }
 
-      const resetNode = (path: string) => {
-        setStore("node", path, {
-          loaded: undefined,
-          pinned: undefined,
-          content: undefined,
-          selection: undefined,
-          scrollTop: undefined,
-          folded: undefined,
-          view: undefined,
-          selectedChange: undefined,
-        })
-      }
+      // const resetNode = (path: string) => {
+      //   setStore("node", path, {
+      //     loaded: undefined,
+      //     pinned: undefined,
+      //     content: undefined,
+      //     selection: undefined,
+      //     scrollTop: undefined,
+      //     folded: undefined,
+      //     view: undefined,
+      //     selectedChange: undefined,
+      //   })
+      // }
 
       const relative = (path: string) => path.replace(sync.data.path.directory + "/", "")
 
@@ -333,31 +325,21 @@ export const { use: useLocal, provider: LocalProvider } = createSimpleContext({
       sdk.event.listen((e) => {
         const event = e.details
         switch (event.type) {
-          case "message.part.updated":
-            const part = event.properties.part
-            if (part.type === "tool" && part.state.status === "completed") {
-              switch (part.tool) {
-                case "read":
-                  break
-                case "edit":
-                  // load(part.state.input["filePath"] as string)
-                  break
-                default:
-                  break
-              }
-            }
-            break
           case "file.watcher.updated":
-            // setTimeout(sync.load.changes, 1000)
-            // const relativePath = relative(event.properties.file)
-            // if (relativePath.startsWith(".git/")) return
-            // load(relativePath)
+            const relativePath = relative(event.properties.file)
+            if (relativePath.startsWith(".git/")) return
+            load(relativePath)
             break
         }
       })
 
       return {
-        node: (path: string) => store.node[path],
+        node: async (path: string) => {
+          if (!store.node[path]) {
+            await init(path)
+          }
+          return store.node[path]
+        },
         update: (path: string, node: LocalFile) => setStore("node", path, reconcile(node)),
         open,
         load,
@@ -417,121 +399,6 @@ export const { use: useLocal, provider: LocalProvider } = createSimpleContext({
         searchFiles,
         searchFilesAndDirectories,
         relative,
-        // active,
-        // opened,
-        // close(path: string) {
-        //   setStore("opened", (opened) => opened.filter((x) => x !== path))
-        //   if (store.active === path) {
-        //     const index = store.opened.findIndex((f) => f === path)
-        //     const previous = store.opened[Math.max(0, index - 1)]
-        //     setStore("active", previous)
-        //   }
-        //   resetNode(path)
-        // },
-        // move(path: string, to: number) {
-        //   const index = store.opened.findIndex((f) => f === path)
-        //   if (index === -1) return
-        //   setStore(
-        //     "opened",
-        //     produce((opened) => {
-        //       opened.splice(to, 0, opened.splice(index, 1)[0])
-        //     }),
-        //   )
-        //   setStore("node", path, "pinned", true)
-        // },
-      }
-    })()
-
-    const session = (() => {
-      const [store, setStore] = createStore<{
-        active?: string
-        tabs: Record<
-          string,
-          {
-            active?: string
-            opened: string[]
-          }
-        >
-      }>({
-        tabs: {
-          "": {
-            opened: [],
-          },
-        },
-      })
-
-      const active = createMemo(() => {
-        if (!store.active) return undefined
-        return sync.session.get(store.active)
-      })
-
-      createEffect(() => {
-        if (!store.active) return
-        sync.session.sync(store.active)
-
-        if (!store.tabs[store.active]) {
-          setStore("tabs", store.active, {
-            opened: [],
-          })
-        }
-      })
-
-      const tabs = createMemo(() => store.tabs[store.active ?? ""])
-
-      return {
-        active,
-        setActive(sessionId: string | undefined) {
-          setStore("active", sessionId)
-        },
-        clearActive() {
-          setStore("active", undefined)
-        },
-        tabs,
-        copyTabs(from: string, to: string) {
-          setStore("tabs", to, {
-            opened: store.tabs[from]?.opened ?? [],
-          })
-        },
-        setActiveTab(tab: string | undefined) {
-          setStore("tabs", store.active ?? "", "active", tab)
-        },
-        async open(tab: string) {
-          if (tab !== "chat") {
-            await file.open(tab)
-          }
-          if (!tabs()?.opened?.includes(tab)) {
-            setStore("tabs", store.active ?? "", "opened", [...(tabs()?.opened ?? []), tab])
-          }
-          setStore("tabs", store.active ?? "", "active", tab)
-        },
-        close(tab: string) {
-          batch(() => {
-            if (!tabs()) return
-            setStore("tabs", store.active ?? "", {
-              active: tabs()!.active,
-              opened: tabs()!.opened.filter((x) => x !== tab),
-            })
-            if (tabs()!.active === tab) {
-              const index = tabs()!.opened.findIndex((f) => f === tab)
-              const previous = tabs()!.opened[Math.max(0, index - 1)]
-              setStore("tabs", store.active ?? "", "active", previous)
-            }
-          })
-        },
-        move(tab: string, to: number) {
-          if (!tabs()) return
-          const index = tabs()!.opened.findIndex((f) => f === tab)
-          if (index === -1) return
-          setStore(
-            "tabs",
-            store.active ?? "",
-            "opened",
-            produce((opened) => {
-              opened.splice(to, 0, opened.splice(index, 1)[0])
-            }),
-          )
-          // setStore("node", path, "pinned", true)
-        },
       }
     })()
 
@@ -593,7 +460,6 @@ export const { use: useLocal, provider: LocalProvider } = createSimpleContext({
       model,
       agent,
       file,
-      session,
       context,
     }
     return result

packages/desktop/src/context/session.tsx

@@ -0,0 +1,213 @@
+import { createStore, produce } from "solid-js/store"
+import { createSimpleContext } from "./helper"
+import { batch, createEffect, createMemo } from "solid-js"
+import { useSync } from "./sync"
+import { makePersisted } from "@solid-primitives/storage"
+import { TextSelection, useLocal } from "./local"
+import { pipe, sumBy } from "remeda"
+import { AssistantMessage } from "@opencode-ai/sdk"
+
+export const { use: useSession, provider: SessionProvider } = createSimpleContext({
+  name: "Session",
+  init: (props: { sessionId?: string }) => {
+    const sync = useSync()
+    const local = useLocal()
+
+    const [store, setStore] = makePersisted(
+      createStore<{
+        prompt: Prompt
+        cursorPosition?: number
+        messageId?: string
+        tabs: {
+          active?: string
+          opened: string[]
+        }
+      }>({
+        prompt: [{ type: "text", content: "", start: 0, end: 0 }],
+        tabs: {
+          opened: [],
+        },
+      }),
+      {
+        name: props.sessionId ?? "new-session",
+      },
+    )
+
+    createEffect(() => {
+      if (!props.sessionId) return
+      sync.session.sync(props.sessionId)
+    })
+
+    const info = createMemo(() => (props.sessionId ? sync.session.get(props.sessionId) : undefined))
+    const messages = createMemo(() => (props.sessionId ? (sync.data.message[props.sessionId] ?? []) : []))
+    const userMessages = createMemo(() =>
+      messages()
+        .filter((m) => m.role === "user")
+        .sort((a, b) => b.id.localeCompare(a.id)),
+    )
+    const lastUserMessage = createMemo(() => {
+      return userMessages()?.at(0)
+    })
+    const activeMessage = createMemo(() => {
+      if (!store.messageId) return lastUserMessage()
+      return userMessages()?.find((m) => m.id === store.messageId)
+    })
+    const working = createMemo(() => {
+      if (!props.sessionId) return false
+      const last = lastUserMessage()
+      if (!last) return false
+      const assistantMessages = sync.data.message[props.sessionId]?.filter(
+        (m) => m.role === "assistant" && m.parentID == last?.id,
+      ) as AssistantMessage[]
+      const error = assistantMessages?.find((m) => m?.error)?.error
+      return !last?.summary?.body && !error
+    })
+
+    const cost = createMemo(() => {
+      const total = pipe(
+        messages(),
+        sumBy((x) => (x.role === "assistant" ? x.cost : 0)),
+      )
+      return new Intl.NumberFormat("en-US", {
+        style: "currency",
+        currency: "USD",
+      }).format(total)
+    })
+
+    const last = createMemo(
+      () => messages().findLast((x) => x.role === "assistant" && x.tokens.output > 0) as AssistantMessage,
+    )
+    const model = createMemo(() =>
+      last() ? sync.data.provider.find((x) => x.id === last().providerID)?.models[last().modelID] : undefined,
+    )
+
+    const tokens = createMemo(() => {
+      if (!last()) return
+      const tokens = last().tokens
+      return tokens.input + tokens.output + tokens.reasoning + tokens.cache.read + tokens.cache.write
+    })
+
+    const context = createMemo(() => {
+      const total = tokens()
+      const limit = model()?.limit.context
+      if (!total || !limit) return 0
+      return Math.round((total / limit) * 100)
+    })
+
+    return {
+      id: props.sessionId,
+      info,
+      working,
+      prompt: {
+        current: createMemo(() => store.prompt),
+        cursor: createMemo(() => store.cursorPosition),
+        dirty: createMemo(() => !isPromptEqual(store.prompt, DEFAULT_PROMPT)),
+        set(prompt: Prompt, cursorPosition?: number) {
+          batch(() => {
+            setStore("prompt", prompt)
+            if (cursorPosition !== undefined) setStore("cursorPosition", cursorPosition)
+          })
+        },
+      },
+      messages: {
+        all: messages,
+        user: userMessages,
+        last: lastUserMessage,
+        active: activeMessage,
+        setActive(id: string | undefined) {
+          setStore("messageId", id)
+        },
+      },
+      usage: {
+        tokens,
+        cost,
+        context,
+      },
+      layout: {
+        tabs: store.tabs,
+        setActiveTab(tab: string | undefined) {
+          setStore("tabs", "active", tab)
+        },
+        setOpenedTabs(tabs: string[]) {
+          setStore("tabs", "opened", tabs)
+        },
+        async openTab(tab: string) {
+          if (tab === "chat") {
+            setStore("tabs", "active", undefined)
+            return
+          }
+          if (tab.startsWith("file://")) {
+            await local.file.open(tab.replace("file://", ""))
+          }
+          if (!store.tabs.opened.includes(tab)) {
+            setStore("tabs", "opened", [...store.tabs.opened, tab])
+          }
+          setStore("tabs", "active", tab)
+        },
+        closeTab(tab: string) {
+          batch(() => {
+            setStore(
+              "tabs",
+              "opened",
+              store.tabs.opened.filter((x) => x !== tab),
+            )
+            if (store.tabs.active === tab) {
+              const index = store.tabs.opened.findIndex((f) => f === tab)
+              const previous = store.tabs.opened[Math.max(0, index - 1)]
+              setStore("tabs", "active", previous)
+            }
+          })
+        },
+        moveTab(tab: string, to: number) {
+          const index = store.tabs.opened.findIndex((f) => f === tab)
+          if (index === -1) return
+          setStore(
+            "tabs",
+            "opened",
+            produce((opened) => {
+              opened.splice(to, 0, opened.splice(index, 1)[0])
+            }),
+          )
+          // setStore("node", path, "pinned", true)
+        },
+      },
+    }
+  },
+})
+
+interface PartBase {
+  content: string
+  start: number
+  end: number
+}
+
+export interface TextPart extends PartBase {
+  type: "text"
+}
+
+export interface FileAttachmentPart extends PartBase {
+  type: "file"
+  path: string
+  selection?: TextSelection
+}
+
+export type ContentPart = TextPart | FileAttachmentPart
+export type Prompt = ContentPart[]
+
+export const DEFAULT_PROMPT: Prompt = [{ type: "text", content: "", start: 0, end: 0 }]
+
+export function isPromptEqual(promptA: Prompt, promptB: Prompt): boolean {
+  if (promptA.length !== promptB.length) return false
+  for (let i = 0; i < promptA.length; i++) {
+    const partA = promptA[i]
+    const partB = promptB[i]
+    if (partA.type !== partB.type) return false
+    if (partA.type === "text" && partA.content !== (partB as TextPart).content) {
+      return false
+    }
+    if (partA.type === "file" && partA.path !== (partB as FileAttachmentPart).path) {
+      return false
+    }
+  }
+  return true
+}

packages/desktop/src/context/sync.tsx

@@ -1,16 +1,4 @@
-import type {
-  Message,
-  Agent,
-  Provider,
-  Session,
-  Part,
-  Config,
-  Path,
-  File,
-  FileNode,
-  Project,
-  Command,
-} from "@opencode-ai/sdk"
+import type { Message, Agent, Provider, Session, Part, Config, Path, File, FileNode, Project } from "@opencode-ai/sdk"
 import { createStore, produce, reconcile } from "solid-js/store"
 import { createMemo } from "solid-js"
 import { Binary } from "@/utils/binary"

packages/desktop/src/index.tsx

@@ -7,7 +7,9 @@ import { Fonts, ShikiProvider, MarkedProvider } from "@opencode-ai/ui"
 import { SDKProvider } from "./context/sdk"
 import { SyncProvider } from "./context/sync"
 import { LocalProvider } from "./context/local"
-import Home from "@/pages"
+import Layout from "@/pages/layout"
+import SessionLayout from "@/pages/session-layout"
+import Session from "@/pages/session"
 
 const host = import.meta.env.VITE_OPENCODE_SERVER_HOST ?? "127.0.0.1"
 const port = import.meta.env.VITE_OPENCODE_SERVER_PORT ?? "4096"
@@ -32,8 +34,10 @@ render(
             <LocalProvider>
               <MetaProvider>
                 <Fonts />
-                <Router>
-                  <Route path="/" component={Home} />
+                <Router root={Layout}>
+                  <Route path={["/", "/session"]} component={SessionLayout}>
+                    <Route path="/:id?" component={Session} />
+                  </Route>
                 </Router>
               </MetaProvider>
             </LocalProvider>

packages/desktop/src/pages/index.tsx

@@ -1,857 +0,0 @@
-import {
-  Button,
-  List,
-  SelectDialog,
-  Tooltip,
-  IconButton,
-  Tabs,
-  Icon,
-  Accordion,
-  Diff,
-  Collapsible,
-  DiffChanges,
-  Message,
-  Typewriter,
-  Card,
-  Code,
-} from "@opencode-ai/ui"
-import { FileIcon } from "@/ui"
-import FileTree from "@/components/file-tree"
-import { MessageProgress } from "@/components/message-progress"
-import { For, onCleanup, onMount, Show, Match, Switch, createSignal, createEffect, createMemo } from "solid-js"
-import { useLocal, type LocalFile } from "@/context/local"
-import { createStore } from "solid-js/store"
-import { getDirectory, getFilename } from "@/utils"
-import { ContentPart, PromptInput } from "@/components/prompt-input"
-import { DateTime } from "luxon"
-import {
-  DragDropProvider,
-  DragDropSensors,
-  DragOverlay,
-  SortableProvider,
-  closestCenter,
-  createSortable,
-  useDragDropContext,
-} from "@thisbeyond/solid-dnd"
-import type { DragEvent, Transformer } from "@thisbeyond/solid-dnd"
-import type { JSX } from "solid-js"
-import { useSync } from "@/context/sync"
-import { useSDK } from "@/context/sdk"
-import { type AssistantMessage as AssistantMessageType } from "@opencode-ai/sdk"
-import { Markdown } from "@opencode-ai/ui"
-import { Spinner } from "@/components/spinner"
-
-export default function Page() {
-  const local = useLocal()
-  const sync = useSync()
-  const sdk = useSDK()
-  const [store, setStore] = createStore({
-    clickTimer: undefined as number | undefined,
-    fileSelectOpen: false,
-  })
-  let inputRef!: HTMLDivElement
-  let messageScrollElement!: HTMLDivElement
-  const [activeItem, setActiveItem] = createSignal<string | undefined>(undefined)
-
-  const MOD = typeof navigator === "object" && /(Mac|iPod|iPhone|iPad)/.test(navigator.platform) ? "Meta" : "Control"
-
-  onMount(() => {
-    document.addEventListener("keydown", handleKeyDown)
-  })
-
-  onCleanup(() => {
-    document.removeEventListener("keydown", handleKeyDown)
-  })
-
-  const handleKeyDown = (event: KeyboardEvent) => {
-    if (event.getModifierState(MOD) && event.shiftKey && event.key.toLowerCase() === "p") {
-      event.preventDefault()
-      return
-    }
-    if (event.getModifierState(MOD) && event.key.toLowerCase() === "p") {
-      event.preventDefault()
-      setStore("fileSelectOpen", true)
-      return
-    }
-
-    const focused = document.activeElement === inputRef
-    if (focused) {
-      if (event.key === "Escape") {
-        inputRef?.blur()
-      }
-      return
-    }
-
-    // if (local.file.active()) {
-    //   const active = local.file.active()!
-    //   if (event.key === "Enter" && active.selection) {
-    //     local.context.add({
-    //       type: "file",
-    //       path: active.path,
-    //       selection: { ...active.selection },
-    //     })
-    //     return
-    //   }
-    //
-    //   if (event.getModifierState(MOD)) {
-    //     if (event.key.toLowerCase() === "a") {
-    //       return
-    //     }
-    //     if (event.key.toLowerCase() === "c") {
-    //       return
-    //     }
-    //   }
-    // }
-
-    if (event.key.length === 1 && event.key !== "Unidentified" && !(event.ctrlKey || event.metaKey)) {
-      inputRef?.focus()
-    }
-  }
-
-  const resetClickTimer = () => {
-    if (!store.clickTimer) return
-    clearTimeout(store.clickTimer)
-    setStore("clickTimer", undefined)
-  }
-
-  const startClickTimer = () => {
-    const newClickTimer = setTimeout(() => {
-      setStore("clickTimer", undefined)
-    }, 300)
-    setStore("clickTimer", newClickTimer as unknown as number)
-  }
-
-  const handleFileClick = async (file: LocalFile) => {
-    if (store.clickTimer) {
-      resetClickTimer()
-      local.file.update(file.path, { ...file, pinned: true })
-    } else {
-      local.file.open(file.path)
-      startClickTimer()
-    }
-  }
-
-  // const navigateChange = (dir: 1 | -1) => {
-  //   const active = local.file.active()
-  //   if (!active) return
-  //   const current = local.file.changeIndex(active.path)
-  //   const next = current === undefined ? (dir === 1 ? 0 : -1) : current + dir
-  //   local.file.setChangeIndex(active.path, next)
-  // }
-
-  const handleTabChange = (path: string) => {
-    local.session.setActiveTab(path)
-    if (path === "chat") return
-    local.session.open(path)
-  }
-
-  const handleTabClose = (file: LocalFile) => {
-    local.session.close(file.path)
-  }
-
-  const handleDragStart = (event: unknown) => {
-    const id = getDraggableId(event)
-    if (!id) return
-    setActiveItem(id)
-  }
-
-  const handleDragOver = (event: DragEvent) => {
-    const { draggable, droppable } = event
-    if (draggable && droppable) {
-      const currentFiles = local.session.tabs()?.opened.map((file) => file)
-      const fromIndex = currentFiles?.indexOf(draggable.id.toString())
-      const toIndex = currentFiles?.indexOf(droppable.id.toString())
-      if (fromIndex !== toIndex && toIndex !== undefined) {
-        local.session.move(draggable.id.toString(), toIndex)
-      }
-    }
-  }
-
-  const handleDragEnd = () => {
-    setActiveItem(undefined)
-  }
-
-  // const scrollDiffItem = (element: HTMLElement) => {
-  //   element.scrollIntoView({ block: "start", behavior: "instant" })
-  // }
-
-  const handleDiffTriggerClick = (event: MouseEvent) => {
-    // disabling scroll to diff for now
-    return
-    // const target = event.currentTarget as HTMLElement
-    // queueMicrotask(() => {
-    //   if (target.getAttribute("aria-expanded") !== "true") return
-    //   const item = target.closest('[data-slot="accordion-item"]') as HTMLElement | null
-    //   if (!item) return
-    //   scrollDiffItem(item)
-    // })
-  }
-
-  const handlePromptSubmit = async (parts: ContentPart[]) => {
-    const existingSession = local.session.active()
-    let session = existingSession
-    if (!session) {
-      const created = await sdk.client.session.create()
-      session = created.data ?? undefined
-    }
-    if (!session) return
-
-    local.session.setActive(session.id)
-    if (!existingSession) {
-      local.session.copyTabs("", session.id)
-    }
-    local.session.setActiveTab(undefined)
-    const toAbsolutePath = (path: string) => (path.startsWith("/") ? path : sync.absolute(path))
-
-    const text = parts.map((part) => part.content).join("")
-    const attachments = parts.filter((part) => part.type === "file")
-
-    // const activeFile = local.context.active()
-    // if (activeFile) {
-    //   registerAttachment(
-    //     activeFile.path,
-    //     activeFile.selection,
-    //     activeFile.name ?? formatAttachmentLabel(activeFile.path, activeFile.selection),
-    //   )
-    // }
-
-    // for (const contextFile of local.context.all()) {
-    //   registerAttachment(
-    //     contextFile.path,
-    //     contextFile.selection,
-    //     formatAttachmentLabel(contextFile.path, contextFile.selection),
-    //   )
-    // }
-
-    const attachmentParts = attachments.map((attachment) => {
-      const absolute = toAbsolutePath(attachment.path)
-      const query = attachment.selection
-        ? `?start=${attachment.selection.startLine}&end=${attachment.selection.endLine}`
-        : ""
-      return {
-        type: "file" as const,
-        mime: "text/plain",
-        url: `file://${absolute}${query}`,
-        filename: getFilename(attachment.path),
-        source: {
-          type: "file" as const,
-          text: {
-            value: attachment.content,
-            start: attachment.start,
-            end: attachment.end,
-          },
-          path: absolute,
-        },
-      }
-    })
-
-    await sdk.client.session.prompt({
-      path: { id: session.id },
-      body: {
-        agent: local.agent.current()!.name,
-        model: {
-          modelID: local.model.current()!.id,
-          providerID: local.model.current()!.provider.id,
-        },
-        parts: [
-          {
-            type: "text",
-            text,
-          },
-          ...attachmentParts,
-        ],
-      },
-    })
-  }
-
-  const handleNewSession = () => {
-    local.session.setActive(undefined)
-    inputRef?.focus()
-  }
-
-  const TabVisual = (props: { file: LocalFile }): JSX.Element => {
-    return (
-      <div class="flex items-center gap-x-1.5">
-        <FileIcon node={props.file} class="grayscale-100 group-data-[selected]/tab:grayscale-0" />
-        <span
-          classList={{
-            "text-14-medium": true,
-            "text-primary": !!props.file.status?.status,
-            italic: !props.file.pinned,
-          }}
-        >
-          {props.file.name}
-        </span>
-        <span class="hidden opacity-70">
-          <Switch>
-            <Match when={props.file.status?.status === "modified"}>
-              <span class="text-primary">M</span>
-            </Match>
-            <Match when={props.file.status?.status === "added"}>
-              <span class="text-success">A</span>
-            </Match>
-            <Match when={props.file.status?.status === "deleted"}>
-              <span class="text-error">D</span>
-            </Match>
-          </Switch>
-        </span>
-      </div>
-    )
-  }
-
-  const SortableTab = (props: {
-    file: LocalFile
-    onTabClick: (file: LocalFile) => void
-    onTabClose: (file: LocalFile) => void
-  }): JSX.Element => {
-    const sortable = createSortable(props.file.path)
-
-    return (
-      // @ts-ignore
-      <div use:sortable classList={{ "h-full": true, "opacity-0": sortable.isActiveDraggable }}>
-        <Tooltip value={props.file.path} placement="bottom" class="h-full">
-          <div class="relative h-full">
-            <Tabs.Trigger
-              value={props.file.path}
-              class="group/tab pl-3 pr-1"
-              onClick={() => props.onTabClick(props.file)}
-            >
-              <TabVisual file={props.file} />
-              <IconButton
-                icon="close"
-                class="mt-0.5 opacity-0 text-text-muted/60 group-data-[selected]/tab:opacity-100
-                       group-data-[selected]/tab:text-text group-data-[selected]/tab:hover:bg-border-subtle
-                       hover:opacity-100 group-hover/tab:opacity-100"
-                variant="ghost"
-                onClick={() => props.onTabClose(props.file)}
-              />
-            </Tabs.Trigger>
-          </div>
-        </Tooltip>
-      </div>
-    )
-  }
-
-  const ConstrainDragYAxis = (): JSX.Element => {
-    const context = useDragDropContext()
-    if (!context) return <></>
-    const [, { onDragStart, onDragEnd, addTransformer, removeTransformer }] = context
-    const transformer: Transformer = {
-      id: "constrain-y-axis",
-      order: 100,
-      callback: (transform) => ({ ...transform, y: 0 }),
-    }
-    onDragStart((event) => {
-      const id = getDraggableId(event)
-      if (!id) return
-      addTransformer("draggables", id, transformer)
-    })
-    onDragEnd((event) => {
-      const id = getDraggableId(event)
-      if (!id) return
-      removeTransformer("draggables", id, transformer.id)
-    })
-    return <></>
-  }
-
-  const getDraggableId = (event: unknown): string | undefined => {
-    if (typeof event !== "object" || event === null) return undefined
-    if (!("draggable" in event)) return undefined
-    const draggable = (event as { draggable?: { id?: unknown } }).draggable
-    if (!draggable) return undefined
-    return typeof draggable.id === "string" ? draggable.id : undefined
-  }
-
-  return (
-    <div class="relative h-screen flex flex-col">
-      <header class="hidden h-12 shrink-0 bg-background-strong border-b border-border-weak-base"></header>
-      <main class="h-[calc(100vh-0rem)] flex">
-        <div class="w-70 shrink-0 bg-background-weak border-r border-border-weak-base flex flex-col items-start">
-          <div class="h-10 flex items-center self-stretch px-5 border-b border-border-weak-base">
-            <span class="text-14-regular overflow-hidden text-ellipsis">{getFilename(sync.data.path.directory)}</span>
-          </div>
-          <div class="flex flex-col items-start gap-4 self-stretch flex-1 py-4 px-3">
-            <Button class="w-full" size="large" onClick={handleNewSession} icon="edit-small-2">
-              New Session
-            </Button>
-            <List
-              data={sync.data.session}
-              key={(x) => x.id}
-              current={local.session.active()}
-              onSelect={(s) => local.session.setActive(s?.id)}
-              onHover={(s) => (!!s ? sync.session.sync(s?.id) : undefined)}
-            >
-              {(session) => {
-                const diffs = createMemo(() => session.summary?.diffs ?? [])
-                const filesChanged = createMemo(() => diffs().length)
-                const updated = DateTime.fromMillis(session.time.updated)
-                return (
-                  <Tooltip placement="right" value={session.title}>
-                    <div>
-                      <div class="flex items-center self-stretch gap-6 justify-between">
-                        <span class="text-14-regular text-text-strong overflow-hidden text-ellipsis truncate">
-                          {session.title}
-                        </span>
-                        <span class="text-12-regular text-text-weak text-right whitespace-nowrap">
-                          {Math.abs(updated.diffNow().as("seconds")) < 60
-                            ? "Now"
-                            : updated
-                                .toRelative({ style: "short", unit: ["days", "hours", "minutes"] })
-                                ?.replace(" ago", "")
-                                ?.replace(/ days?/, "d")
-                                ?.replace(" min.", "m")
-                                ?.replace(" hr.", "h")}
-                        </span>
-                      </div>
-                      <div class="flex justify-between items-center self-stretch">
-                        <span class="text-12-regular text-text-weak">{`${filesChanged() || "No"} file${filesChanged() !== 1 ? "s" : ""} changed`}</span>
-                        <DiffChanges diff={diffs()} />
-                      </div>
-                    </div>
-                  </Tooltip>
-                )
-              }}
-            </List>
-          </div>
-        </div>
-        <div class="relative bg-background-base w-full h-full overflow-x-hidden">
-          <DragDropProvider
-            onDragStart={handleDragStart}
-            onDragEnd={handleDragEnd}
-            onDragOver={handleDragOver}
-            collisionDetector={closestCenter}
-          >
-            <DragDropSensors />
-            <ConstrainDragYAxis />
-            <Tabs value={local.session.tabs()?.active ?? "chat"} onChange={handleTabChange}>
-              <div class="sticky top-0 shrink-0 flex">
-                <Tabs.List>
-                  <Tabs.Trigger value="chat" class="flex gap-x-4 items-center">
-                    <div>Chat</div>
-                    {/* <Tooltip value={`${local.session.tokens() ?? 0} Tokens`} class="flex items-center gap-1.5"> */}
-                    {/*   <ProgressCircle percentage={local.session.context() ?? 0} /> */}
-                    {/*   <div class="text-14-regular text-text-weak text-right">{local.session.context() ?? 0}%</div> */}
-                    {/* </Tooltip> */}
-                  </Tabs.Trigger>
-                  {/* <Tabs.Trigger value="review">Review</Tabs.Trigger> */}
-                  <SortableProvider ids={local.session.tabs()?.opened ?? []}>
-                    <For each={local.session.tabs()?.opened ?? []}>
-                      {(file) => (
-                        <SortableTab
-                          file={local.file.node(file)}
-                          onTabClick={handleFileClick}
-                          onTabClose={handleTabClose}
-                        />
-                      )}
-                    </For>
-                  </SortableProvider>
-                  <div class="bg-background-base h-full flex items-center justify-center border-b border-border-weak-base px-3">
-                    <IconButton
-                      icon="plus-small"
-                      variant="ghost"
-                      iconSize="large"
-                      onClick={() => setStore("fileSelectOpen", true)}
-                    />
-                  </div>
-                </Tabs.List>
-              </div>
-              <Tabs.Content value="chat" class="@container select-text flex flex-col flex-1 min-h-0 overflow-y-hidden">
-                <div class="relative px-6 pt-12 max-w-2xl w-full mx-auto flex flex-col flex-1 min-h-0">
-                  <Show
-                    when={local.session.active()}
-                    fallback={
-                      <div class="flex flex-col pb-45 justify-end items-start gap-4 flex-[1_0_0] self-stretch">
-                        <div class="text-20-medium text-text-weaker">New session</div>
-                        <div class="flex justify-center items-center gap-3">
-                          <Icon name="folder" size="small" />
-                          <div class="text-12-medium text-text-weak">
-                            {getDirectory(sync.data.path.directory)}
-                            <span class="text-text-strong">{getFilename(sync.data.path.directory)}</span>
-                          </div>
-                        </div>
-                        <div class="flex justify-center items-center gap-3">
-                          <Icon name="pencil-line" size="small" />
-                          <div class="text-12-medium text-text-weak">
-                            Last modified&nbsp;
-                            <span class="text-text-strong">
-                              {DateTime.fromMillis(sync.data.project.time.created).toRelative()}
-                            </span>
-                          </div>
-                        </div>
-                      </div>
-                    }
-                  >
-                    {(session) => {
-                      const [store, setStore] = createStore<{
-                        messageId?: string
-                      }>()
-
-                      const messages = createMemo(() => sync.data.message[session().id] ?? [])
-                      const userMessages = createMemo(() =>
-                        messages()
-                          .filter((m) => m.role === "user")
-                          .sort((a, b) => b.id.localeCompare(a.id)),
-                      )
-                      const lastUserMessage = createMemo(() => {
-                        return userMessages()?.at(0)
-                      })
-                      const activeMessage = createMemo(() => {
-                        if (!store.messageId) return lastUserMessage()
-                        return userMessages()?.find((m) => m.id === store.messageId)
-                      })
-
-                      return (
-                        <div class="pt-3 flex flex-col flex-1 min-h-0">
-                          <div class="flex-1 min-h-0">
-                            <Show when={userMessages().length > 1}>
-                              <ul
-                                role="list"
-                                class="absolute right-full mr-8 hidden w-60 shrink-0 @7xl:flex flex-col items-start gap-1"
-                              >
-                                <For each={userMessages()}>
-                                  {(message) => {
-                                    const diffs = createMemo(() => message.summary?.diffs ?? [])
-                                    const assistantMessages = createMemo(() => {
-                                      return sync.data.message[session().id]?.filter(
-                                        (m) => m.role === "assistant" && m.parentID == message.id,
-                                      ) as AssistantMessageType[]
-                                    })
-                                    const error = createMemo(() => assistantMessages().find((m) => m?.error)?.error)
-                                    const working = createMemo(() => !message.summary?.body && !error())
-
-                                    return (
-                                      <li class="group/li flex items-center self-stretch">
-                                        <button
-                                          class="flex items-center self-stretch w-full gap-x-2 py-1 cursor-default"
-                                          onClick={() => setStore("messageId", message.id)}
-                                        >
-                                          <Switch>
-                                            <Match when={working()}>
-                                              <Spinner class="text-text-base shrink-0 w-[18px] aspect-square" />
-                                            </Match>
-                                            <Match when={true}>
-                                              <DiffChanges diff={diffs()} variant="bars" />
-                                            </Match>
-                                          </Switch>
-                                          <div
-                                            data-active={activeMessage()?.id === message.id}
-                                            classList={{
-                                              "text-14-regular text-text-weak whitespace-nowrap truncate min-w-0": true,
-                                              "text-text-weak data-[active=true]:text-text-strong group-hover/li:text-text-base": true,
-                                            }}
-                                          >
-                                            <Show when={message.summary?.title} fallback="New message">
-                                              {message.summary?.title}
-                                            </Show>
-                                          </div>
-                                        </button>
-                                      </li>
-                                    )
-                                  }}
-                                </For>
-                              </ul>
-                            </Show>
-                            <div ref={messageScrollElement} class="grow min-w-0 h-full overflow-y-auto no-scrollbar">
-                              <For each={userMessages()}>
-                                {(message) => {
-                                  const isActive = createMemo(() => activeMessage()?.id === message.id)
-                                  const [titled, setTitled] = createSignal(!!message.summary?.title)
-                                  const assistantMessages = createMemo(() => {
-                                    return sync.data.message[session().id]?.filter(
-                                      (m) => m.role === "assistant" && m.parentID == message.id,
-                                    ) as AssistantMessageType[]
-                                  })
-                                  const error = createMemo(() => assistantMessages().find((m) => m?.error)?.error)
-                                  const [completed, setCompleted] = createSignal(!!message.summary?.body || !!error())
-                                  const [expanded, setExpanded] = createSignal(false)
-                                  const parts = createMemo(() => sync.data.part[message.id])
-                                  const title = createMemo(() => message.summary?.title)
-                                  const summary = createMemo(() => message.summary?.body)
-                                  const diffs = createMemo(() => message.summary?.diffs ?? [])
-                                  const hasToolPart = createMemo(() =>
-                                    assistantMessages()
-                                      ?.flatMap((m) => sync.data.part[m.id])
-                                      .some((p) => p?.type === "tool"),
-                                  )
-                                  const working = createMemo(() => !summary() && !error())
-
-                                  // allowing time for the animations to finish
-                                  createEffect(() => {
-                                    title()
-                                    setTimeout(() => setTitled(!!title()), 10_000)
-                                  })
-                                  createEffect(() => {
-                                    const complete = !!summary() || !!error()
-                                    setTimeout(() => setCompleted(complete), 1200)
-                                  })
-
-                                  return (
-                                    <Show when={isActive()}>
-                                      <div
-                                        data-message={message.id}
-                                        class="flex flex-col items-start self-stretch gap-8 pb-50"
-                                      >
-                                        {/* Title */}
-                                        <div class="py-2 flex flex-col items-start gap-2 self-stretch sticky top-0 bg-background-stronger z-10">
-                                          <div class="w-full text-14-medium text-text-strong">
-                                            <Show
-                                              when={titled()}
-                                              fallback={
-                                                <Typewriter
-                                                  as="h1"
-                                                  text={title()}
-                                                  class="overflow-hidden text-ellipsis min-w-0 text-nowrap"
-                                                />
-                                              }
-                                            >
-                                              <h1 class="overflow-hidden text-ellipsis min-w-0 text-nowrap">
-                                                {title()}
-                                              </h1>
-                                            </Show>
-                                          </div>
-                                        </div>
-                                        <div class="-mt-8">
-                                          <Message message={message} parts={parts()} />
-                                        </div>
-                                        {/* Summary */}
-                                        <Show when={completed()}>
-                                          <div class="w-full flex flex-col gap-6 items-start self-stretch">
-                                            <div class="flex flex-col items-start gap-1 self-stretch">
-                                              <h2 class="text-12-medium text-text-weak">
-                                                <Switch>
-                                                  <Match when={diffs().length}>Summary</Match>
-                                                  <Match when={true}>Response</Match>
-                                                </Switch>
-                                              </h2>
-                                              <Show when={summary()}>
-                                                {(summary) => (
-                                                  <Markdown
-                                                    classList={{ "[&>*]:fade-up-text": !diffs().length }}
-                                                    text={summary()}
-                                                  />
-                                                )}
-                                              </Show>
-                                            </div>
-                                            <Accordion class="w-full" multiple>
-                                              <For each={diffs()}>
-                                                {(diff) => (
-                                                  <Accordion.Item value={diff.file}>
-                                                    <Accordion.Header>
-                                                      <Accordion.Trigger onClick={handleDiffTriggerClick}>
-                                                        <div class="flex items-center justify-between w-full gap-5">
-                                                          <div class="grow flex items-center gap-5 min-w-0">
-                                                            <FileIcon
-                                                              node={{ path: diff.file, type: "file" }}
-                                                              class="shrink-0 size-4"
-                                                            />
-                                                            <div class="flex grow min-w-0">
-                                                              <Show when={diff.file.includes("/")}>
-                                                                <span class="text-text-base truncate-start">
-                                                                  {getDirectory(diff.file)}&lrm;
-                                                                </span>
-                                                              </Show>
-                                                              <span class="text-text-strong shrink-0">
-                                                                {getFilename(diff.file)}
-                                                              </span>
-                                                            </div>
-                                                          </div>
-                                                          <div class="shrink-0 flex gap-4 items-center justify-end">
-                                                            <DiffChanges diff={diff} />
-                                                            <Icon name="chevron-grabber-vertical" size="small" />
-                                                          </div>
-                                                        </div>
-                                                      </Accordion.Trigger>
-                                                    </Accordion.Header>
-                                                    <Accordion.Content>
-                                                      <Diff
-                                                        before={{
-                                                          name: diff.file!,
-                                                          contents: diff.before!,
-                                                        }}
-                                                        after={{
-                                                          name: diff.file!,
-                                                          contents: diff.after!,
-                                                        }}
-                                                      />
-                                                    </Accordion.Content>
-                                                  </Accordion.Item>
-                                                )}
-                                              </For>
-                                            </Accordion>
-                                          </div>
-                                        </Show>
-                                        <Show when={error() && !expanded()}>
-                                          <Card variant="error" class="text-text-on-critical-base">
-                                            {error()?.data?.message as string}
-                                          </Card>
-                                        </Show>
-                                        {/* Response */}
-                                        <div class="w-full">
-                                          <Switch>
-                                            <Match when={!completed()}>
-                                              <MessageProgress
-                                                assistantMessages={assistantMessages}
-                                                done={!working()}
-                                              />
-                                            </Match>
-                                            <Match when={completed() && hasToolPart()}>
-                                              <Collapsible variant="ghost" open={expanded()} onOpenChange={setExpanded}>
-                                                <Collapsible.Trigger class="text-text-weak hover:text-text-strong">
-                                                  <div class="flex items-center gap-1 self-stretch">
-                                                    <div class="text-12-medium">
-                                                      <Switch>
-                                                        <Match when={expanded()}>Hide details</Match>
-                                                        <Match when={!expanded()}>Show details</Match>
-                                                      </Switch>
-                                                    </div>
-                                                    <Collapsible.Arrow />
-                                                  </div>
-                                                </Collapsible.Trigger>
-                                                <Collapsible.Content>
-                                                  <div class="w-full flex flex-col items-start self-stretch gap-3">
-                                                    <For each={assistantMessages()}>
-                                                      {(assistantMessage) => {
-                                                        const parts = createMemo(
-                                                          () => sync.data.part[assistantMessage.id],
-                                                        )
-                                                        return <Message message={assistantMessage} parts={parts()} />
-                                                      }}
-                                                    </For>
-                                                    <Show when={error()}>
-                                                      <Card variant="error" class="text-text-on-critical-base">
-                                                        {error()?.data?.message as string}
-                                                      </Card>
-                                                    </Show>
-                                                  </div>
-                                                </Collapsible.Content>
-                                              </Collapsible>
-                                            </Match>
-                                          </Switch>
-                                        </div>
-                                      </div>
-                                    </Show>
-                                  )
-                                }}
-                              </For>
-                            </div>
-                          </div>
-                        </div>
-                      )
-                    }}
-                  </Show>
-                </div>
-              </Tabs.Content>
-              {/* <Tabs.Content value="review" class="select-text"></Tabs.Content> */}
-              <For each={local.session.tabs()?.opened}>
-                {(file) => (
-                  <Tabs.Content value={file} class="select-text">
-                    {(() => {
-                      {
-                        /* const view = local.file.view(file) */
-                      }
-                      {
-                        /* const showRaw = view === "raw" || !file.content?.diff */
-                      }
-                      {
-                        /* const code = showRaw ? (file.content?.content ?? "") : (file.content?.diff ?? "") */
-                      }
-                      const node = local.file.node(file)
-                      return (
-                        <Code
-                          file={{ name: node.path, contents: node.content?.content ?? "" }}
-                          disableFileHeader
-                          overflow="scroll"
-                          class="pt-3 pb-40"
-                        />
-                      )
-                    })()}
-                  </Tabs.Content>
-                )}
-              </For>
-            </Tabs>
-            <DragOverlay>
-              {(() => {
-                const id = activeItem()
-                if (!id) return null
-                const draggedFile = local.file.node(id)
-                if (!draggedFile) return null
-                return (
-                  <div class="relative px-3 h-10 flex items-center bg-background-base border-x border-border-weak-base border-b border-b-transparent">
-                    <TabVisual file={draggedFile} />
-                  </div>
-                )
-              })()}
-            </DragOverlay>
-          </DragDropProvider>
-          <div class="absolute inset-x-0 px-6 max-w-2xl flex flex-col justify-center items-center z-50 mx-auto bottom-8">
-            <PromptInput
-              ref={(el) => {
-                inputRef = el
-              }}
-              onSubmit={handlePromptSubmit}
-            />
-          </div>
-          <div class="hidden shrink-0 w-56 p-2 h-full overflow-y-auto">
-            <FileTree path="" onFileClick={handleFileClick} />
-          </div>
-          <div class="hidden shrink-0 w-56 p-2">
-            <Show
-              when={local.file.changes().length}
-              fallback={<div class="px-2 text-xs text-text-muted">No changes</div>}
-            >
-              <ul class="">
-                <For each={local.file.changes()}>
-                  {(path) => (
-                    <li>
-                      <button
-                        onClick={() => local.file.open(path, { view: "diff-unified", pinned: true })}
-                        class="w-full flex items-center px-2 py-0.5 gap-x-2 text-text-muted grow min-w-0 hover:bg-background-element"
-                      >
-                        <FileIcon node={{ path, type: "file" }} class="shrink-0 size-3" />
-                        <span class="text-xs text-text whitespace-nowrap">{getFilename(path)}</span>
-                        <span class="text-xs text-text-muted/60 whitespace-nowrap truncate min-w-0">
-                          {getDirectory(path)}
-                        </span>
-                      </button>
-                    </li>
-                  )}
-                </For>
-              </ul>
-            </Show>
-          </div>
-        </div>
-      </main>
-      <Show when={store.fileSelectOpen}>
-        <SelectDialog
-          defaultOpen
-          title="Select file"
-          placeholder="Search files"
-          emptyMessage="No files found"
-          items={local.file.searchFiles}
-          key={(x) => x}
-          onOpenChange={(open) => setStore("fileSelectOpen", open)}
-          onSelect={(x) => (x ? local.session.open(x) : undefined)}
-        >
-          {(i) => (
-            <div
-              classList={{
-                "w-full flex items-center justify-between rounded-md": true,
-              }}
-            >
-              <div class="flex items-center gap-x-2 grow min-w-0">
-                <FileIcon node={{ path: i, type: "file" }} class="shrink-0 size-4" />
-                <div class="flex items-center text-14-regular">
-                  <span class="text-text-weak whitespace-nowrap overflow-hidden overflow-ellipsis truncate min-w-0">
-                    {getDirectory(i)}
-                  </span>
-                  <span class="text-text-strong whitespace-nowrap">{getFilename(i)}</span>
-                </div>
-              </div>
-              <div class="flex items-center gap-x-1 text-text-muted/40 shrink-0"></div>
-            </div>
-          )}
-        </SelectDialog>
-      </Show>
-    </div>
-  )
-}

packages/desktop/src/pages/layout.tsx

@@ -0,0 +1,75 @@
+import { Button, Tooltip, DiffChanges } from "@opencode-ai/ui"
+import { createMemo, ParentProps } from "solid-js"
+import { getFilename } from "@/utils"
+import { DateTime } from "luxon"
+import { useSync } from "@/context/sync"
+import { VList } from "virtua/solid"
+import { A, useParams } from "@solidjs/router"
+
+export default function Layout(props: ParentProps) {
+  const params = useParams()
+  const sync = useSync()
+  return (
+    <div class="relative h-screen flex flex-col">
+      <header class="hidden h-12 shrink-0 bg-background-strong border-b border-border-weak-base"></header>
+      <div class="h-[calc(100vh-0rem)] flex">
+        <div class="w-70 shrink-0 bg-background-weak border-r border-border-weak-base flex flex-col items-start">
+          <div class="h-10 flex items-center self-stretch px-5 border-b border-border-weak-base">
+            <span class="text-14-regular overflow-hidden text-ellipsis">{getFilename(sync.data.path.directory)}</span>
+          </div>
+          <div class="flex flex-col items-start gap-4 self-stretch flex-1 py-4 px-3">
+            <A href="/session" class="w-full">
+              <Button class="w-full" size="large" icon="edit-small-2">
+                New Session
+              </Button>
+            </A>
+            <VList data={sync.data.session} class="no-scrollbar">
+              {(session) => {
+                const diffs = createMemo(() => session.summary?.diffs ?? [])
+                const filesChanged = createMemo(() => diffs().length)
+                const updated = createMemo(() => DateTime.fromMillis(session.time.updated))
+                return (
+                  <A
+                    data-active={session.id === params.id}
+                    href={`/session/${session.id}`}
+                    class="group/session focus:outline-none"
+                  >
+                    <Tooltip placement="right" value={session.title}>
+                      <div
+                        class="w-full mb-1.5 px-3 py-1 rounded-md 
+                               group-data-[active=true]/session:bg-surface-raised-base-hover
+                               group-hover/session:bg-surface-raised-base-hover
+                               group-focus/session:bg-surface-raised-base-hover"
+                      >
+                        <div class="flex items-center self-stretch gap-6 justify-between">
+                          <span class="text-14-regular text-text-strong overflow-hidden text-ellipsis truncate">
+                            {session.title}
+                          </span>
+                          <span class="text-12-regular text-text-weak text-right whitespace-nowrap">
+                            {Math.abs(updated().diffNow().as("seconds")) < 60
+                              ? "Now"
+                              : updated()
+                                  .toRelative({ style: "short", unit: ["days", "hours", "minutes"] })
+                                  ?.replace(" ago", "")
+                                  ?.replace(/ days?/, "d")
+                                  ?.replace(" min.", "m")
+                                  ?.replace(" hr.", "h")}
+                          </span>
+                        </div>
+                        <div class="flex justify-between items-center self-stretch">
+                          <span class="text-12-regular text-text-weak">{`${filesChanged() || "No"} file${filesChanged() !== 1 ? "s" : ""} changed`}</span>
+                          <DiffChanges diff={diffs()} />
+                        </div>
+                      </div>
+                    </Tooltip>
+                  </A>
+                )
+              }}
+            </VList>
+          </div>
+        </div>
+        <main class="size-full overflow-x-hidden">{props.children}</main>
+      </div>
+    </div>
+  )
+}

packages/desktop/src/pages/session-layout.tsx

@@ -0,0 +1,12 @@
+import { Show, type ParentProps } from "solid-js"
+import { SessionProvider } from "@/context/session"
+import { useParams } from "@solidjs/router"
+
+export default function Layout(props: ParentProps) {
+  const params = useParams()
+  return (
+    <Show when={params.id || true} keyed>
+      <SessionProvider sessionId={params.id}>{props.children}</SessionProvider>
+    </Show>
+  )
+}

packages/desktop/src/pages/session.tsx

@@ -0,0 +1,693 @@
+import {
+  SelectDialog,
+  IconButton,
+  Tabs,
+  Icon,
+  Accordion,
+  Diff,
+  Collapsible,
+  DiffChanges,
+  Message,
+  Typewriter,
+  Card,
+  Code,
+  Tooltip,
+  ProgressCircle,
+} from "@opencode-ai/ui"
+import { FileIcon } from "@/ui"
+import { MessageProgress } from "@/components/message-progress"
+import {
+  For,
+  onCleanup,
+  onMount,
+  Show,
+  Match,
+  Switch,
+  createSignal,
+  createEffect,
+  createMemo,
+  createResource,
+} from "solid-js"
+import { useLocal, type LocalFile } from "@/context/local"
+import { createStore } from "solid-js/store"
+import { getDirectory, getFilename } from "@/utils"
+import { PromptInput } from "@/components/prompt-input"
+import { DateTime } from "luxon"
+import {
+  DragDropProvider,
+  DragDropSensors,
+  DragOverlay,
+  SortableProvider,
+  closestCenter,
+  createSortable,
+  useDragDropContext,
+} from "@thisbeyond/solid-dnd"
+import type { DragEvent, Transformer } from "@thisbeyond/solid-dnd"
+import type { JSX } from "solid-js"
+import { useSync } from "@/context/sync"
+import { type AssistantMessage as AssistantMessageType } from "@opencode-ai/sdk"
+import { Markdown } from "@opencode-ai/ui"
+import { Spinner } from "@/components/spinner"
+import { useSession } from "@/context/session"
+
+export default function Page() {
+  const local = useLocal()
+  const sync = useSync()
+  const session = useSession()
+  const [store, setStore] = createStore({
+    clickTimer: undefined as number | undefined,
+    fileSelectOpen: false,
+    activeDraggable: undefined as string | undefined,
+  })
+  let inputRef!: HTMLDivElement
+  let messageScrollElement!: HTMLDivElement
+
+  const MOD = typeof navigator === "object" && /(Mac|iPod|iPhone|iPad)/.test(navigator.platform) ? "Meta" : "Control"
+
+  onMount(() => {
+    document.addEventListener("keydown", handleKeyDown)
+  })
+
+  onCleanup(() => {
+    document.removeEventListener("keydown", handleKeyDown)
+  })
+
+  const handleKeyDown = (event: KeyboardEvent) => {
+    if (event.getModifierState(MOD) && event.shiftKey && event.key.toLowerCase() === "p") {
+      event.preventDefault()
+      return
+    }
+    if (event.getModifierState(MOD) && event.key.toLowerCase() === "p") {
+      event.preventDefault()
+      setStore("fileSelectOpen", true)
+      return
+    }
+
+    const focused = document.activeElement === inputRef
+    if (focused) {
+      if (event.key === "Escape") {
+        inputRef?.blur()
+      }
+      return
+    }
+
+    // if (local.file.active()) {
+    //   const active = local.file.active()!
+    //   if (event.key === "Enter" && active.selection) {
+    //     local.context.add({
+    //       type: "file",
+    //       path: active.path,
+    //       selection: { ...active.selection },
+    //     })
+    //     return
+    //   }
+    //
+    //   if (event.getModifierState(MOD)) {
+    //     if (event.key.toLowerCase() === "a") {
+    //       return
+    //     }
+    //     if (event.key.toLowerCase() === "c") {
+    //       return
+    //     }
+    //   }
+    // }
+
+    if (event.key.length === 1 && event.key !== "Unidentified" && !(event.ctrlKey || event.metaKey)) {
+      inputRef?.focus()
+    }
+  }
+
+  const resetClickTimer = () => {
+    if (!store.clickTimer) return
+    clearTimeout(store.clickTimer)
+    setStore("clickTimer", undefined)
+  }
+
+  const startClickTimer = () => {
+    const newClickTimer = setTimeout(() => {
+      setStore("clickTimer", undefined)
+    }, 300)
+    setStore("clickTimer", newClickTimer as unknown as number)
+  }
+
+  const handleTabClick = async (tab: string) => {
+    if (store.clickTimer) {
+      resetClickTimer()
+      // local.file.update(file.path, { ...file, pinned: true })
+    } else {
+      if (tab.startsWith("file://")) {
+        local.file.open(tab.replace("file://", ""))
+      }
+      startClickTimer()
+    }
+  }
+
+  const handleDragStart = (event: unknown) => {
+    const id = getDraggableId(event)
+    if (!id) return
+    setStore("activeDraggable", id)
+  }
+
+  const handleDragOver = (event: DragEvent) => {
+    const { draggable, droppable } = event
+    if (draggable && droppable) {
+      const currentTabs = session.layout.tabs.opened
+      const fromIndex = currentTabs?.indexOf(draggable.id.toString())
+      const toIndex = currentTabs?.indexOf(droppable.id.toString())
+      if (fromIndex !== toIndex && toIndex !== undefined) {
+        session.layout.moveTab(draggable.id.toString(), toIndex)
+      }
+    }
+  }
+
+  const handleDragEnd = () => {
+    setStore("activeDraggable", undefined)
+  }
+
+  const FileVisual = (props: { file: LocalFile }): JSX.Element => {
+    return (
+      <div class="flex items-center gap-x-1.5">
+        <FileIcon node={props.file} class="grayscale-100 group-data-[selected]/tab:grayscale-0" />
+        <span
+          classList={{
+            "text-14-medium": true,
+            "text-primary": !!props.file.status?.status,
+            italic: !props.file.pinned,
+          }}
+        >
+          {props.file.name}
+        </span>
+        <span class="hidden opacity-70">
+          <Switch>
+            <Match when={props.file.status?.status === "modified"}>
+              <span class="text-primary">M</span>
+            </Match>
+            <Match when={props.file.status?.status === "added"}>
+              <span class="text-success">A</span>
+            </Match>
+            <Match when={props.file.status?.status === "deleted"}>
+              <span class="text-error">D</span>
+            </Match>
+          </Switch>
+        </span>
+      </div>
+    )
+  }
+
+  const SortableTab = (props: {
+    tab: string
+    onTabClick: (tab: string) => void
+    onTabClose: (tab: string) => void
+  }): JSX.Element => {
+    const sortable = createSortable(props.tab)
+
+    const [file] = createResource(
+      () => props.tab,
+      async (tab) => {
+        if (tab.startsWith("file://")) {
+          return local.file.node(tab.replace("file://", ""))
+        }
+        return undefined
+      },
+    )
+
+    return (
+      // @ts-ignore
+      <div use:sortable classList={{ "h-full": true, "opacity-0": sortable.isActiveDraggable }}>
+        <div class="relative h-full">
+          <Tabs.Trigger value={props.tab} class="group/tab pl-3 pr-1" onClick={() => props.onTabClick(props.tab)}>
+            <Switch>
+              <Match when={file()}>{(f) => <FileVisual file={f()} />}</Match>
+            </Switch>
+            <IconButton
+              icon="close"
+              class="mt-0.5 opacity-0 text-text-muted/60 group-data-[selected]/tab:opacity-100
+                       group-data-[selected]/tab:text-text group-data-[selected]/tab:hover:bg-border-subtle
+                       hover:opacity-100 group-hover/tab:opacity-100"
+              variant="ghost"
+              onClick={() => props.onTabClose(props.tab)}
+            />
+          </Tabs.Trigger>
+        </div>
+      </div>
+    )
+  }
+
+  const ConstrainDragYAxis = (): JSX.Element => {
+    const context = useDragDropContext()
+    if (!context) return <></>
+    const [, { onDragStart, onDragEnd, addTransformer, removeTransformer }] = context
+    const transformer: Transformer = {
+      id: "constrain-y-axis",
+      order: 100,
+      callback: (transform) => ({ ...transform, y: 0 }),
+    }
+    onDragStart((event) => {
+      const id = getDraggableId(event)
+      if (!id) return
+      addTransformer("draggables", id, transformer)
+    })
+    onDragEnd((event) => {
+      const id = getDraggableId(event)
+      if (!id) return
+      removeTransformer("draggables", id, transformer.id)
+    })
+    return <></>
+  }
+
+  const getDraggableId = (event: unknown): string | undefined => {
+    if (typeof event !== "object" || event === null) return undefined
+    if (!("draggable" in event)) return undefined
+    const draggable = (event as { draggable?: { id?: unknown } }).draggable
+    if (!draggable) return undefined
+    return typeof draggable.id === "string" ? draggable.id : undefined
+  }
+
+  return (
+    <div class="relative bg-background-base size-full overflow-x-hidden">
+      <DragDropProvider
+        onDragStart={handleDragStart}
+        onDragEnd={handleDragEnd}
+        onDragOver={handleDragOver}
+        collisionDetector={closestCenter}
+      >
+        <DragDropSensors />
+        <ConstrainDragYAxis />
+        <Tabs value={session.layout.tabs.active ?? "chat"} onChange={session.layout.openTab}>
+          <div class="sticky top-0 shrink-0 flex">
+            <Tabs.List>
+              <Tabs.Trigger value="chat" class="flex gap-x-4 items-center">
+                <div>Chat</div>
+                <Tooltip
+                  value={`${new Intl.NumberFormat("en-US", {
+                    notation: "compact",
+                    compactDisplay: "short",
+                  }).format(session.usage.tokens() ?? 0)} Tokens`}
+                  class="flex items-center gap-1.5"
+                >
+                  <ProgressCircle percentage={session.usage.context() ?? 0} />
+                  <div class="text-14-regular text-text-weak text-left w-7">{session.usage.context() ?? 0}%</div>
+                </Tooltip>
+              </Tabs.Trigger>
+              {/* <Tabs.Trigger value="review">Review</Tabs.Trigger> */}
+              <SortableProvider ids={session.layout.tabs.opened ?? []}>
+                <For each={session.layout.tabs.opened ?? []}>
+                  {(tab) => <SortableTab tab={tab} onTabClick={handleTabClick} onTabClose={session.layout.closeTab} />}
+                </For>
+              </SortableProvider>
+              <div class="bg-background-base h-full flex items-center justify-center border-b border-border-weak-base px-3">
+                <IconButton
+                  icon="plus-small"
+                  variant="ghost"
+                  iconSize="large"
+                  onClick={() => setStore("fileSelectOpen", true)}
+                />
+              </div>
+            </Tabs.List>
+          </div>
+          <Tabs.Content value="chat" class="@container select-text flex flex-col flex-1 min-h-0 overflow-y-hidden">
+            <div class="relative px-6 pt-12 max-w-2xl w-full mx-auto flex flex-col flex-1 min-h-0">
+              <Show
+                when={session.id}
+                fallback={
+                  <div class="flex flex-col pb-45 justify-end items-start gap-4 flex-[1_0_0] self-stretch">
+                    <div class="text-20-medium text-text-weaker">New session</div>
+                    <div class="flex justify-center items-center gap-3">
+                      <Icon name="folder" size="small" />
+                      <div class="text-12-medium text-text-weak">
+                        {getDirectory(sync.data.path.directory)}
+                        <span class="text-text-strong">{getFilename(sync.data.path.directory)}</span>
+                      </div>
+                    </div>
+                    <div class="flex justify-center items-center gap-3">
+                      <Icon name="pencil-line" size="small" />
+                      <div class="text-12-medium text-text-weak">
+                        Last modified&nbsp;
+                        <span class="text-text-strong">
+                          {DateTime.fromMillis(sync.data.project.time.created).toRelative()}
+                        </span>
+                      </div>
+                    </div>
+                  </div>
+                }
+              >
+                {(_) => {
+                  return (
+                    <div class="pt-3 flex flex-col flex-1 min-h-0">
+                      <div class="flex-1 min-h-0">
+                        <Show when={session.messages.user().length > 1}>
+                          <ul
+                            role="list"
+                            class="absolute right-full mr-8 hidden w-60 shrink-0 @7xl:flex flex-col items-start gap-1"
+                          >
+                            <For each={session.messages.user()}>
+                              {(message) => {
+                                const assistantMessages = createMemo(() => {
+                                  if (!session.id) return []
+                                  return sync.data.message[session.id]?.filter(
+                                    (m) => m.role === "assistant" && m.parentID == message.id,
+                                  ) as AssistantMessageType[]
+                                })
+                                const error = createMemo(() => assistantMessages().find((m) => m?.error)?.error)
+                                const working = createMemo(() => !message.summary?.body && !error())
+
+                                return (
+                                  <li class="group/li flex items-center self-stretch">
+                                    <button
+                                      class="flex items-center self-stretch w-full gap-x-2 py-1 cursor-default"
+                                      onClick={() => session.messages.setActive(message.id)}
+                                    >
+                                      <Switch>
+                                        <Match when={working()}>
+                                          <Spinner class="text-text-base shrink-0 w-[18px] aspect-square" />
+                                        </Match>
+                                        <Match when={true}>
+                                          <DiffChanges diff={message.summary?.diffs ?? []} variant="bars" />
+                                        </Match>
+                                      </Switch>
+                                      <div
+                                        data-active={session.messages.active()?.id === message.id}
+                                        classList={{
+                                          "text-14-regular text-text-weak whitespace-nowrap truncate min-w-0": true,
+                                          "text-text-weak data-[active=true]:text-text-strong group-hover/li:text-text-base": true,
+                                        }}
+                                      >
+                                        <Show when={message.summary?.title} fallback="New message">
+                                          {message.summary?.title}
+                                        </Show>
+                                      </div>
+                                    </button>
+                                  </li>
+                                )
+                              }}
+                            </For>
+                          </ul>
+                        </Show>
+                        <div ref={messageScrollElement} class="grow min-w-0 h-full overflow-y-auto no-scrollbar">
+                          <For each={session.messages.user()}>
+                            {(message) => {
+                              const isActive = createMemo(() => session.messages.active()?.id === message.id)
+                              const [titled, setTitled] = createSignal(!!message.summary?.title)
+                              const assistantMessages = createMemo(() => {
+                                if (!session.id) return []
+                                return sync.data.message[session.id]?.filter(
+                                  (m) => m.role === "assistant" && m.parentID == message.id,
+                                ) as AssistantMessageType[]
+                              })
+                              const error = createMemo(() => assistantMessages().find((m) => m?.error)?.error)
+                              const [completed, setCompleted] = createSignal(!!message.summary?.body || !!error())
+                              const [detailsExpanded, setDetailsExpanded] = createSignal(false)
+                              const parts = createMemo(() => sync.data.part[message.id])
+                              const hasToolPart = createMemo(() =>
+                                assistantMessages()
+                                  ?.flatMap((m) => sync.data.part[m.id])
+                                  .some((p) => p?.type === "tool"),
+                              )
+                              const working = createMemo(() => !message.summary?.body && !error())
+
+                              // allowing time for the animations to finish
+                              createEffect(() => {
+                                const title = message.summary?.title
+                                setTimeout(() => setTitled(!!title), 10_000)
+                              })
+                              createEffect(() => {
+                                const summary = message.summary?.body
+                                const complete = !!summary || !!error()
+                                setTimeout(() => setCompleted(complete), 1200)
+                              })
+
+                              return (
+                                <Show when={isActive()}>
+                                  <div
+                                    data-message={message.id}
+                                    class="flex flex-col items-start self-stretch gap-8 pb-50"
+                                  >
+                                    {/* Title */}
+                                    <div class="py-2 flex flex-col items-start gap-2 self-stretch sticky top-0 bg-background-stronger z-10">
+                                      <div class="w-full text-14-medium text-text-strong">
+                                        <Show
+                                          when={titled()}
+                                          fallback={
+                                            <Typewriter
+                                              as="h1"
+                                              text={message.summary?.title}
+                                              class="overflow-hidden text-ellipsis min-w-0 text-nowrap"
+                                            />
+                                          }
+                                        >
+                                          <h1 class="overflow-hidden text-ellipsis min-w-0 text-nowrap">
+                                            {message.summary?.title}
+                                          </h1>
+                                        </Show>
+                                      </div>
+                                    </div>
+                                    <div class="-mt-8">
+                                      <Message message={message} parts={parts()} />
+                                    </div>
+                                    {/* Summary */}
+                                    <Show when={completed()}>
+                                      <div class="w-full flex flex-col gap-6 items-start self-stretch">
+                                        <div class="flex flex-col items-start gap-1 self-stretch">
+                                          <h2 class="text-12-medium text-text-weak">
+                                            <Switch>
+                                              <Match when={message.summary?.diffs?.length}>Summary</Match>
+                                              <Match when={true}>Response</Match>
+                                            </Switch>
+                                          </h2>
+                                          <Show when={message.summary?.body}>
+                                            {(summary) => (
+                                              <Markdown
+                                                classList={{
+                                                  "text-14-regular": !!message.summary?.diffs?.length,
+                                                  "[&>*]:fade-up-text": !message.summary?.diffs?.length,
+                                                }}
+                                                text={summary()}
+                                              />
+                                            )}
+                                          </Show>
+                                        </div>
+                                        <Accordion class="w-full" multiple>
+                                          <For each={message.summary?.diffs ?? []}>
+                                            {(diff) => (
+                                              <Accordion.Item value={diff.file}>
+                                                <Accordion.Header>
+                                                  <Accordion.Trigger>
+                                                    <div class="flex items-center justify-between w-full gap-5">
+                                                      <div class="grow flex items-center gap-5 min-w-0">
+                                                        <FileIcon
+                                                          node={{ path: diff.file, type: "file" }}
+                                                          class="shrink-0 size-4"
+                                                        />
+                                                        <div class="flex grow min-w-0">
+                                                          <Show when={diff.file.includes("/")}>
+                                                            <span class="text-text-base truncate-start">
+                                                              {getDirectory(diff.file)}&lrm;
+                                                            </span>
+                                                          </Show>
+                                                          <span class="text-text-strong shrink-0">
+                                                            {getFilename(diff.file)}
+                                                          </span>
+                                                        </div>
+                                                      </div>
+                                                      <div class="shrink-0 flex gap-4 items-center justify-end">
+                                                        <DiffChanges diff={diff} />
+                                                        <Icon name="chevron-grabber-vertical" size="small" />
+                                                      </div>
+                                                    </div>
+                                                  </Accordion.Trigger>
+                                                </Accordion.Header>
+                                                <Accordion.Content>
+                                                  <Diff
+                                                    before={{
+                                                      name: diff.file!,
+                                                      contents: diff.before!,
+                                                    }}
+                                                    after={{
+                                                      name: diff.file!,
+                                                      contents: diff.after!,
+                                                    }}
+                                                  />
+                                                </Accordion.Content>
+                                              </Accordion.Item>
+                                            )}
+                                          </For>
+                                        </Accordion>
+                                      </div>
+                                    </Show>
+                                    <Show when={error() && !detailsExpanded()}>
+                                      <Card variant="error" class="text-text-on-critical-base">
+                                        {error()?.data?.message as string}
+                                      </Card>
+                                    </Show>
+                                    {/* Response */}
+                                    <div class="w-full">
+                                      <Switch>
+                                        <Match when={!completed()}>
+                                          <MessageProgress assistantMessages={assistantMessages} done={!working()} />
+                                        </Match>
+                                        <Match when={completed() && hasToolPart()}>
+                                          <Collapsible
+                                            variant="ghost"
+                                            open={detailsExpanded()}
+                                            onOpenChange={setDetailsExpanded}
+                                          >
+                                            <Collapsible.Trigger class="text-text-weak hover:text-text-strong">
+                                              <div class="flex items-center gap-1 self-stretch">
+                                                <div class="text-12-medium">
+                                                  <Switch>
+                                                    <Match when={detailsExpanded()}>Hide details</Match>
+                                                    <Match when={!detailsExpanded()}>Show details</Match>
+                                                  </Switch>
+                                                </div>
+                                                <Collapsible.Arrow />
+                                              </div>
+                                            </Collapsible.Trigger>
+                                            <Collapsible.Content>
+                                              <div class="w-full flex flex-col items-start self-stretch gap-3">
+                                                <For each={assistantMessages()}>
+                                                  {(assistantMessage) => {
+                                                    const parts = createMemo(() => sync.data.part[assistantMessage.id])
+                                                    return <Message message={assistantMessage} parts={parts()} />
+                                                  }}
+                                                </For>
+                                                <Show when={error()}>
+                                                  <Card variant="error" class="text-text-on-critical-base">
+                                                    {error()?.data?.message as string}
+                                                  </Card>
+                                                </Show>
+                                              </div>
+                                            </Collapsible.Content>
+                                          </Collapsible>
+                                        </Match>
+                                      </Switch>
+                                    </div>
+                                  </div>
+                                </Show>
+                              )
+                            }}
+                          </For>
+                        </div>
+                      </div>
+                    </div>
+                  )
+                }}
+              </Show>
+            </div>
+          </Tabs.Content>
+          {/* <Tabs.Content value="review" class="select-text"></Tabs.Content> */}
+          <For each={session.layout.tabs.opened}>
+            {(tab) => {
+              const [file] = createResource(
+                () => tab,
+                async (tab) => {
+                  if (tab.startsWith("file://")) {
+                    return local.file.node(tab.replace("file://", ""))
+                  }
+                  return undefined
+                },
+              )
+              return (
+                <Tabs.Content value={tab} class="select-text">
+                  <Switch>
+                    <Match when={file()}>
+                      {(f) => (
+                        <Code
+                          file={{ name: f().path, contents: f().content?.content ?? "" }}
+                          overflow="scroll"
+                          class="pt-3 pb-40"
+                        />
+                      )}
+                    </Match>
+                  </Switch>
+                </Tabs.Content>
+              )
+            }}
+          </For>
+        </Tabs>
+        <DragOverlay>
+          <Show when={store.activeDraggable}>
+            {(draggedFile) => {
+              const [file] = createResource(
+                () => draggedFile(),
+                async (tab) => {
+                  if (tab.startsWith("file://")) {
+                    return local.file.node(tab.replace("file://", ""))
+                  }
+                  return undefined
+                },
+              )
+              return (
+                <div class="relative px-3 h-10 flex items-center bg-background-base border-x border-border-weak-base border-b border-b-transparent">
+                  <Show when={file()}>{(f) => <FileVisual file={f()} />}</Show>
+                </div>
+              )
+            }}
+          </Show>
+        </DragOverlay>
+      </DragDropProvider>
+      <div class="absolute inset-x-0 px-6 max-w-2xl flex flex-col justify-center items-center z-50 mx-auto bottom-8">
+        <PromptInput
+          ref={(el) => {
+            inputRef = el
+          }}
+        />
+      </div>
+      <div class="hidden shrink-0 w-56 p-2 h-full overflow-y-auto">
+        {/* <FileTree path="" onFileClick={ handleTabClick} /> */}
+      </div>
+      <div class="hidden shrink-0 w-56 p-2">
+        <Show when={local.file.changes().length} fallback={<div class="px-2 text-xs text-text-muted">No changes</div>}>
+          <ul class="">
+            <For each={local.file.changes()}>
+              {(path) => (
+                <li>
+                  <button
+                    onClick={() => local.file.open(path, { view: "diff-unified", pinned: true })}
+                    class="w-full flex items-center px-2 py-0.5 gap-x-2 text-text-muted grow min-w-0 hover:bg-background-element"
+                  >
+                    <FileIcon node={{ path, type: "file" }} class="shrink-0 size-3" />
+                    <span class="text-xs text-text whitespace-nowrap">{getFilename(path)}</span>
+                    <span class="text-xs text-text-muted/60 whitespace-nowrap truncate min-w-0">
+                      {getDirectory(path)}
+                    </span>
+                  </button>
+                </li>
+              )}
+            </For>
+          </ul>
+        </Show>
+      </div>
+      <Show when={store.fileSelectOpen}>
+        <SelectDialog
+          defaultOpen
+          title="Select file"
+          placeholder="Search files"
+          emptyMessage="No files found"
+          items={local.file.searchFiles}
+          key={(x) => x}
+          onOpenChange={(open) => setStore("fileSelectOpen", open)}
+          onSelect={(x) => (x ? session.layout.openTab("file://" + x) : undefined)}
+        >
+          {(i) => (
+            <div
+              classList={{
+                "w-full flex items-center justify-between rounded-md": true,
+              }}
+            >
+              <div class="flex items-center gap-x-2 grow min-w-0">
+                <FileIcon node={{ path: i, type: "file" }} class="shrink-0 size-4" />
+                <div class="flex items-center text-14-regular">
+                  <span class="text-text-weak whitespace-nowrap overflow-hidden overflow-ellipsis truncate min-w-0">
+                    {getDirectory(i)}
+                  </span>
+                  <span class="text-text-strong whitespace-nowrap">{getFilename(i)}</span>
+                </div>
+              </div>
+              <div class="flex items-center gap-x-1 text-text-muted/40 shrink-0"></div>
+            </div>
+          )}
+        </SelectDialog>
+      </Show>
+    </div>
+  )
+}