diff --git a/CLAUDE.md b/CLAUDE.md
index 7426221b..14cb5d8f 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -18,13 +18,14 @@ plannotator/
 ├── packages/
 │   ├── server/                   # Shared server implementation
 │   │   ├── index.ts              # startPlannotatorServer(), handleServerReady()
+│   │   ├── storage.ts            # Plan saving to disk (getPlanDir, savePlan, etc.)
 │   │   ├── remote.ts             # isRemoteSession(), getServerPort()
 │   │   ├── browser.ts            # openBrowser()
 │   │   ├── integrations.ts       # Obsidian, Bear integrations
 │   │   └── project.ts            # Project name detection for tags
 │   ├── ui/                       # Shared React components
 │   │   ├── components/           # Viewer, Toolbar, Settings, etc.
-│   │   ├── utils/                # parser.ts, sharing.ts, storage.ts
+│   │   ├── utils/                # parser.ts, sharing.ts, storage.ts, planSave.ts, agentSwitch.ts
 │   │   ├── hooks/                # useSharing.ts
 │   │   └── types.ts
 │   └── editor/                   # Main App.tsx
@@ -80,15 +81,18 @@ Deny    → stdout: {"hookSpecificOutput":{"decision":{"behavior":"deny","messag
 
 ## Server API
 
-| Endpoint       | Method | Purpose                           |
-| -------------- | ------ | --------------------------------- |
-| `/api/plan`    | GET    | Returns plan markdown as JSON     |
-| `/api/approve` | POST   | User approved the plan            |
-| `/api/deny`    | POST   | User denied with feedback in body |
+| Endpoint              | Method | Purpose                                    |
+| --------------------- | ------ | ------------------------------------------ |
+| `/api/plan`           | GET    | Returns `{ plan, origin }`                 |
+| `/api/approve`        | POST   | Approve plan (body: planSave, agentSwitch, obsidian, bear, feedback) |
+| `/api/deny`           | POST   | Deny plan (body: feedback, planSave)       |
+| `/api/image`          | GET    | Serve image by path query param            |
+| `/api/upload`         | POST   | Upload image, returns temp path            |
+| `/api/obsidian/vaults`| GET    | Detect available Obsidian vaults           |
 
-**Location:** `packages/server/index.ts` (shared), `apps/hook/server/index.ts` (Claude Code entry), `apps/opencode-plugin/index.ts` (OpenCode entry)
+**Location:** `packages/server/index.ts`
 
-Both plugins use the shared `startPlannotatorServer()` from `packages/server`. The server handles remote detection, port configuration, and all API routes. Port is random locally (`port: 0`) or fixed (`19432`) in remote mode.
+Both plugins use `startPlannotatorServer()` from `packages/server`. Port is random locally or fixed (`19432`) in remote mode.
 
 ## Data Types
 
@@ -188,9 +192,9 @@ type ShareableAnnotation =
 
 ## Settings Persistence
 
-**Location:** `packages/ui/utils/storage.ts`
+**Location:** `packages/ui/utils/storage.ts`, `planSave.ts`, `agentSwitch.ts`
 
-Uses cookies instead of localStorage because each hook invocation runs on a random port, and localStorage is scoped by origin (including port). Cookies are scoped by domain only.
+Uses cookies (not localStorage) because each hook invocation runs on a random port. Settings include identity, plan saving (enabled/custom path), and agent switching (OpenCode only).
 
 ## Syntax Highlighting
 
diff --git a/apps/hook/.claude-plugin/plugin.json b/apps/hook/.claude-plugin/plugin.json
index 00fc8ba6..9873d5f0 100644
--- a/apps/hook/.claude-plugin/plugin.json
+++ b/apps/hook/.claude-plugin/plugin.json
@@ -1,7 +1,7 @@
 {
   "name": "plannotator",
   "description": "Interactive Plan Review: Mark up and refine your plans using a UI, easily share for team collaboration, automatically integrates with plan mode hooks.",
-  "version": "0.4.9",
+  "version": "0.4.10",
   "author": {
     "name": "backnotprop"
   },
diff --git a/apps/opencode-plugin/package.json b/apps/opencode-plugin/package.json
index 3cf19e33..cfeddf23 100644
--- a/apps/opencode-plugin/package.json
+++ b/apps/opencode-plugin/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@plannotator/opencode",
-  "version": "0.4.9",
+  "version": "0.4.10",
   "description": "Plannotator plugin for OpenCode - interactive plan review with visual annotation",
   "author": "backnotprop",
   "license": "BSL-1.1",
diff --git a/package.json b/package.json
index 82926bd9..653dafc4 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "plannotator",
-  "version": "0.4.9",
+  "version": "0.4.10",
   "private": true,
   "description": "Interactive Plan Review for Claude Code - annotate plans visually, share with team, automatically send feedback",
   "author": "backnotprop",
diff --git a/packages/server/package.json b/packages/server/package.json
index a0143df1..b8ddb864 100644
--- a/packages/server/package.json
+++ b/packages/server/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@plannotator/server",
-  "version": "0.4.8",
+  "version": "0.4.10",
   "private": true,
   "description": "Shared server implementation for Plannotator plugins",
   "main": "index.ts",
diff --git a/packages/ui/utils/agentSwitch.ts b/packages/ui/utils/agentSwitch.ts
index d292a658..4d10c9c3 100644
--- a/packages/ui/utils/agentSwitch.ts
+++ b/packages/ui/utils/agentSwitch.ts
@@ -44,10 +44,3 @@ export function getAgentSwitchSettings(): AgentSwitchSettings {
 export function saveAgentSwitchSettings(settings: AgentSwitchSettings): void {
   storage.setItem(STORAGE_KEY, settings.switchTo);
 }
-
-/**
- * Check if agent switching is enabled
- */
-export function isAgentSwitchEnabled(): boolean {
-  return getAgentSwitchSettings().switchTo !== 'disabled';
-}
diff --git a/packages/ui/utils/planSave.ts b/packages/ui/utils/planSave.ts
index 3548e850..3786792e 100644
--- a/packages/ui/utils/planSave.ts
+++ b/packages/ui/utils/planSave.ts
@@ -47,10 +47,3 @@ export function savePlanSaveSettings(settings: PlanSaveSettings): void {
     storage.removeItem(STORAGE_KEY_PATH);
   }
 }
-
-/**
- * Check if plan saving is enabled
- */
-export function isPlanSaveEnabled(): boolean {
-  return getPlanSaveSettings().enabled;
-}