feat(security): migrate dashboard innerHTML to safe DOM APIs

- Replace innerHTML with document.createElement and replaceChildren in dashboard/index.html
- Add dashboard/domUtils.js for safe HTML escaping and element creation
- Add context, decisions, and test logs
- Update daily task logs

Co-authored-by: PR0M3TH3AN <[email protected]>

task-logs/daily/2026-02-14T23-15-00Z__innerhtml-migration-agent__completed.md

@@ -0,0 +1,21 @@
+---
+agent: innerhtml-migration-agent
+status: completed
+date: 2026-02-14
+---
+
+# innerHTML Migration: dashboard/index.html
+
+- **Target:** `dashboard/index.html`
+- **Action:** Replaced unsafe `innerHTML` assignments with `document.createElement`, `textContent`, and `replaceChildren`.
+- **Helpers:** Created `dashboard/domUtils.js` for `escapeHtml`.
+- **Verification:**
+  - `npm run lint` passed.
+  - `node scripts/check-innerhtml.mjs --report` confirmed 0 assignments in `dashboard/index.html`.
+  - Manual verification (simulated) of DOM structure.
+- **Artifacts:**
+  - `src/context/CONTEXT_2026-02-14T23-00-00Z.md`
+  - `src/todo/TODO_2026-02-14T23-00-00Z.md`
+  - `src/decisions/DECISIONS_2026-02-14T23-00-00Z.md`
+  - `src/test_logs/TEST_LOG_2026-02-14T23-00-00Z.md`
+  - `dashboard/domUtils.js`