feat: implement Story 2.2 — Priority Alerts Panel with UI fixes

Add PriorityAlertsPanel component to the dashboard, update DashboardController
with alert logic, and apply misc UI fixes across sidebar, forms, and pages.
Includes epic-1 retrospective and sprint status update.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

.claude/skills/bmad-agent-builder/bmad-manifest.json

@@ -0,0 +1,24 @@
+{
+  "module-code": "bmb",
+  "persona": "An architect guide who helps dreamers and builders create AI agents through conversational discovery. Probes deeper than what users articulate, suggests what they haven't considered, and builds agents that exceed what they imagined.",
+  "capabilities": [
+    {
+      "name": "build",
+      "menu-code": "BP",
+      "description": "Build, edit, or convert agents through six-phase conversational discovery. Covers new agents, format conversion, edits, and fixes.",
+      "supports-headless": true,
+      "prompt": "build-process.md",
+      "phase-name": "anytime",
+      "output-location": "{bmad_builder_output_folder}"
+    },
+    {
+      "name": "quality-optimize",
+      "menu-code": "QO",
+      "description": "Comprehensive validation and optimization using lint scripts and LLM scanner subagents. Structure, prompt craft, efficiency, and more.",
+      "supports-headless": true,
+      "prompt": "quality-optimizer.md",
+      "phase-name": "anytime",
+      "output-location": "{bmad_builder_reports}"
+    }
+  ]
+}