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-distillator/bmad-skill-manifest.yaml

@@ -0,0 +1,15 @@
+type: skill
+module: core
+capabilities:
+  - name: bmad-distillator
+    menu-code: DSTL
+    description: "Produces lossless LLM-optimized distillate from source documents. Use after producing large human presentable documents that will be consumed later by LLMs"
+    supports-headless: true
+    input: source documents
+    args: output, validate
+    output: single distillate or folder of distillates next to source input
+    config-vars-used: null
+    phase: anytime
+    before: []
+    after: []
+    is-required: false