Verify + extend DOM-SETTINGS/SEARCH/NOTIFICATIONS (2026-10-04, 3 nodes)

Session: sidechat/dom-settings

docs/DOM-SEARCH.md

@@ -3,6 +3,7 @@
 Muse.ai global search (quick-search / command palette). Inspected live on bl via CDP
 against the opm browser (warp-opm netns, CDP 127.0.0.1:9440) on 2026-10-04.
 All selectors verified against the live DOM.
+Re-verified end-to-end 2026-10-04 (open → type → results → empty state → Escape).
 
 Related: `docs/DOM-CHAT-PANEL.md` (chat panel), `docs/DOM-MESSAGES.md`,
 `docs/DOM-PAGE-STRUCTURE.md`.
@@ -153,14 +154,40 @@ document.querySelectorAll('[data-testid="hatch-quick-search-frame"] [data-testid
 |---|---|---|
 | `chat:main` | Main chat | `chat:main` |
 | `chat:thread:<uuid>` | Sidechat thread — **the thread UUID is embedded** | `chat:thread:2e2c90a1-4b17-4590-b8ba-fb17d8018d36` |
-| `chat:message:<msg-id>:<n>` | Individual message match inside a thread | `chat:message:assistant-msg-b2a4e27d-4970-8b1e-8863-a96ed0aa1401:20420` |
+| `chat:message:assistant-msg-<uuid>:<n>` | Individual assistant message match inside a thread | `chat:message:assistant-msg-b2a4e27d-4970-8b1e-8863-a96ed0aa1401:20420` |
+| `chat:message:<uuid>:<n>` | Individual message match (non-assistant id form) | `chat:message:08a44cdd-91a7-408e-9073-743e7e15d50f:20890` |
 
 Search matches **both threads and individual messages**. A query like `"heartbeat"`
-returned 12 results mixing `chat:thread:*` and `chat:message:*` values.
+returned 12 results on 2026-10-04 re-verify: 6 `chat:thread:*` + 6 `chat:message:*`,
+mixing both message id forms.
 
 This is a ready-made thread-lookup mechanism: search for a sidechat name, read
 `data-value`, extract the UUID — no title-matching or URL polling needed.
 
+### Full result-item markup (verified 2026-10-04)
+
+```html
+<div data-slot="command-item"
+     data-testid="command-palette-item"
+     id="radix-_r_1e9_"            <!-- random per item per render — do not match -->
+     cmdk-item=""
+     role="option"
+     aria-disabled="false" aria-selected="true"
+     data-disabled="false" data-selected="true"
+     data-value="chat:thread:778fbbfa-3bf8-4163-bfe6-92c0f88657e8"
+     class="... h-12 items-center gap-2 p-1.5 ...">
+  <span class="bg-fill-secondary flex size-9 ...rounded-full">…svg icon…</span>
+  <span class="flex min-w-0">…title + snippet + relative time…</span>
+</div>
+```
+
+Notes:
+
+- The **first result is auto-highlighted** on render (`aria-selected="true"` /
+  `data-selected="true"`); the input's `aria-activedescendant` points at it.
+  Enter would activate it (navigation not tested).
+- `data-value` is the stable automation hook; `id` is random per render.
+
 ---
 
 ## 5. Groups
@@ -247,9 +274,13 @@ Detection: `querySelector('[cmdk-empty]')` non-null, or item count `=== 0`.
    // CDP: Input.dispatchMouseEvent mousePressed + mouseReleased at (r.x + r.width/2, r.y + r.height/2)
    ```
    JS `.click()` on the trigger is unreliable (Radix wants trusted events).
-2. **Never JS-touch the input.** `focus()`, `click()`, or the native value setter
-   on `command-palette-search-input` closes the dialog. The input auto-focuses on
-   open — just send trusted key events (`rawKeyDown` → `char` → `keyUp`).
+2. **Type with CDP `Input.insertText`** (verified 2026-10-04 — simplest reliable
+   path). The raw `rawKeyDown` → `char` → `keyUp` sequence also works but is
+   unnecessary. **Never JS-touch the input** (`focus()`, `click()`, native value
+   setter): synthetic interaction on the input **closes the dialog** (verified
+   twice). One exception observed once: `input.select()` on the already-open
+   dialog did *not* close it — usable for clearing, but Escape-and-reopen
+   remains the safest clear.
 3. **Closed === absent.** After Escape the dialog node is gone; check
    `querySelector(...) === null`, with optional chaining (`?.offsetParent`) —
    without `?.` a missing node throws and a truthy error string can false-positive