QA plans al sugerir HU + cancel analisis + datepicker shadcn

- project-analyzer: saveAsDrafts genera QA plan por cada HU sugerida
- DashboardView: cancelAnalysis con AbortController + mensaje limpio
- HuDrafts: DatePicker con Calendar + Popover (shadcn-vue)
- HuDrafts: formulario dinámico segun tipo (Epic vs HU/Feature/etc)
- components/ui: Popover + Calendar creados
- qa_plans: tabla separada (cubre drafts + user_stories existentes)

bun.lock

@@ -5,6 +5,7 @@
     "": {
       "name": "kappa-hub",
       "dependencies": {
+        "@internationalized/date": "^3.12.2",
         "@lucide/vue": "^1.16.0",
         "@tabler/icons-vue": "^3.44.0",
         "@tailwindcss/vite": "^4.3.0",
@@ -243,7 +244,7 @@
 
     "@img/sharp-win32-x64": ["@img/sharp-win32-x64@0.34.5", "", { "os": "win32", "cpu": "x64" }, "sha512-+29YMsqY2/9eFEiW93eqWnuLcWcufowXewwSNIT6UwZdUUCrM3oFjMWH/Z6/TMmb4hlFenmfAVbpWeup2jryCw=="],
 
-    "@internationalized/date": ["@internationalized/date@3.12.1", "", { "dependencies": { "@swc/helpers": "^0.5.0" } }, "sha512-6IedsVWXyq4P9Tj+TxuU8WGWM70hYLl12nbYU8jkikVpa6WXapFazPUcHUMDMoWftIDE2ILDkFFte6W2nFCkRQ=="],
+    "@internationalized/date": ["@internationalized/date@3.12.2", "", { "dependencies": { "@swc/helpers": "^0.5.0" } }, "sha512-FY1Y+H64NDs+HAF6omlnWxm3mEpfgaCSWtL5l551ZZfImA+kGjPFgrnJrGjH6lfmLL0g8Z/mBu1R3kufeCp6Jw=="],
 
     "@internationalized/number": ["@internationalized/number@3.6.6", "", { "dependencies": { "@swc/helpers": "^0.5.0" } }, "sha512-iFgmQaXHE0vytNfpLZWOC2mEJCBRzcUxt53Xf/yCXG93lRvqas237i3r7X4RKMwO3txiyZD4mQjKAByFv6UGSQ=="],
 
@@ -1309,6 +1310,8 @@
 
     "recast-x/source-map": ["source-map@0.6.1", "", {}, "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g=="],
 
+    "reka-ui/@internationalized/date": ["@internationalized/date@3.12.1", "", { "dependencies": { "@swc/helpers": "^0.5.0" } }, "sha512-6IedsVWXyq4P9Tj+TxuU8WGWM70hYLl12nbYU8jkikVpa6WXapFazPUcHUMDMoWftIDE2ILDkFFte6W2nFCkRQ=="],
+
     "restore-cursor/onetime": ["onetime@7.0.0", "", { "dependencies": { "mimic-function": "^5.0.0" } }, "sha512-VXJjc87FScF88uafS3JllDgvAm+c/Slfz06lorj2uAY34rlUu0Nt+v8wreiImcrgAjjIHp1rXpTDlLOGw29WwQ=="],
 
     "restore-cursor/signal-exit": ["signal-exit@4.1.0", "", {}, "sha512-bzyZ1e88w9O1iNJbKnOlvYTrWPDl46O1bG0D3XInv+9tkPrxrN8jUUTiFlDkkmKWgn1M6CfIA13SuGqOa9Korw=="],