chore(checklist): auto-update coverage summary [skip ci]

Author: github-actions[bot]

QA-CHECKLIST.md

@@ -697,15 +697,15 @@
 | `core-functionality/llm-agents/` | 40 | 13 | 2 | 0 | 25 |
 | `core-functionality/model-provider/` | 31 | 4 | 18 | 0 | 9 |
 | `core-functionality/observability-monitoring/` | 13 | 0 | 12 | 0 | 1 |
-| `core-functionality/playground/` | 48 | 39 | 7 | 1 | 1 |
+| `core-functionality/playground/` | 48 | 41 | 5 | 1 | 1 |
 | `core-functionality/project-management/` | 11 | 0 | 10 | 1 | 0 |
 | `core-functionality/templates/` | 41 | 2 | 39 | 0 | 0 |
 | `flow-functionality/` | 23 | 0 | 21 | 2 | 0 |
 | `mcp/client/` | 6 | 0 | 0 | 0 | 6 |
 | `mcp/server/` | 7 | 0 | 3 | 0 | 4 |
 | `ui-ux/` — Canvas | 43 | 2 | 39 | 1 | 1 |
 | `ui-ux/` — Settings | 5 | 1 | 3 | 1 | 0 |
-| **TOTAL** | **393** | **109 (28%)** | **219 (56%)** | **7 (2%)** | **58 (15%)** |
+| **TOTAL** | **393** | **111 (28%)** | **217 (55%)** | **7 (2%)** | **58 (15%)** |
 
 > Note: `Validated [x]` counts checklist bullets, not `test()` calls. The
 > `@stable` tag is per-`test()`, and a single `@stable` test may map to
@@ -721,7 +721,7 @@
 
 ### 🟢 Phase 0 — Validated
 
-> 97 `test()` calls carrying the `@stable` tag, distributed across 31 spec
+> 98 `test()` calls carrying the `@stable` tag, distributed across 32 spec
 > files. Run weekly by the stable workflow. New specs are merged with all
 > tests tagged `@stable`; the tag is removed per-test during weekly triage
 > when a failure is classified as a test bug — so a spec may end up with a
@@ -787,6 +787,7 @@
 - [x] should display error message when using invalid authentication for provider <provider> → `provider-invalid-auth-error.spec.ts`
 
 #### core-functionality/playground/
+- [x] copy button copies Text Input output and toggles Check icon → `output-modal-copy-button.spec.ts`
 - [x] playground must show one compact preview per attached image when two images are attached → `playground-attachments-management.spec.ts`
 - [x] playground must keep the remaining preview when one of two attachments is removed → `playground-attachments-management.spec.ts`
 - [x] playground must render both attached images in the user message after sending → `playground-attachments-management.spec.ts`
@@ -848,7 +849,7 @@
 | `core-functionality/auth/` | 18 | 1 |
 | `core-functionality/llm-agents/` | 2 | 25 |
 | `core-functionality/model-provider/` | 18 | 9 |
-| `core-functionality/playground/` | 7 | 1 |
+| `core-functionality/playground/` | 5 | 1 |
 | `mcp/client/` | 0 | 6 |
 | `mcp/server/` | 3 | 4 |
 | `ui-ux/` — Canvas | 39 | 1 |