feat(app): session timeline/turn rework (#13196)

Co-authored-by: David Hill <iamdavidhill@gmail.com>

packages/app/src/context/global-sync.tsx

@@ -4,6 +4,7 @@ import {
   type Project,
   type ProviderAuthResponse,
   type ProviderListResponse,
+  type Todo,
   createOpencodeClient,
 } from "@opencode-ai/sdk/v2/client"
 import { createStore, produce, reconcile } from "solid-js/store"
@@ -41,6 +42,9 @@ type GlobalStore = {
   error?: InitError
   path: Path
   project: Project[]
+  session_todo: {
+    [sessionID: string]: Todo[]
+  }
   provider: ProviderListResponse
   provider_auth: ProviderAuthResponse
   config: Config
@@ -87,12 +91,27 @@ function createGlobalSync() {
     ready: false,
     path: { state: "", config: "", worktree: "", directory: "", home: "" },
     project: projectCache.value,
+    session_todo: {},
     provider: { all: [], connected: [], default: {} },
     provider_auth: {},
     config: {},
     reload: undefined,
   })
 
+  const setSessionTodo = (sessionID: string, todos: Todo[] | undefined) => {
+    if (!sessionID) return
+    if (!todos) {
+      setGlobalStore(
+        "session_todo",
+        produce((draft) => {
+          delete draft[sessionID]
+        }),
+      )
+      return
+    }
+    setGlobalStore("session_todo", sessionID, reconcile(todos, { key: "id" }))
+  }
+
   const updateStats = (activeDirectoryStores: number) => {
     if (!import.meta.env.DEV) return
     setDevStats({
@@ -288,6 +307,7 @@ function createGlobalSync() {
       store,
       setStore,
       push: queue.push,
+      setSessionTodo,
       vcsCache: children.vcsCache.get(directory),
       loadLsp: () => {
         sdkFor(directory)
@@ -358,6 +378,9 @@ function createGlobalSync() {
     bootstrap,
     updateConfig,
     project: projectApi,
+    todo: {
+      set: setSessionTodo,
+    },
   }
 }