K-10 pipeline transcripciones + settings IA + cache-aside + session doc

Nuevos modulos:
- services/ai.ts: cliente IA provider-agnostico (OpenRouter, MiniMax)
- services/db.ts: Dexie core con tabla settings + project_docs
- services/storage.ts: Cache-Aside + Write-Through (L1 Map → L2 Dexie → L3 localStorage)
- services/parse-transcription.ts: parser .docx/.vtt/.txt/.md
- services/session-analyzer.ts: extraccion IA de sesiones (resumen, tareas, decisiones)
- services/project-doc.ts: documento maestro MD (Bloque 1 resumen + Bloque 2 sesiones)
- stores/settings.ts: proveedores IA, modelos, API keys separadas por provider
- stores/transcriptions.ts: pipeline upload → analyze → create HU en KAPPA
- views/SettingsView.vue: configuracion IA (OpenRouter, MiniMax, OpenCode bridge)
- views/TranscriptionsView.vue: subida multiple + analisis sesion + visor MD + calendario
- components/AiProjectChat.vue: chat contextual por proyecto con selector de modelo

Cambios en existentes:
- stores/auth.ts, kappa-api.ts, upload-hu.ts: migrados a storage service (Dexie + localStorage)
- stores/projects.ts, workitems.ts: kappa_last_project via storage
- DashboardView.vue: descripcion reemplazada por AiProjectChat
- NewDashboardView.vue: tabs transcriptions + settings + navigate-settings events
- NavMain.vue: items Transcripciones + Configuracion
- SiteHeader.vue: labels tabs + language via storage
- LoginView.vue: remember_email via storage
- i18n: +80 keys español/ingles
- vite.config.ts: proxy CORS para MiniMax
- package.json: +mammoth.js

src/i18n/locales/en.json

@@ -2,6 +2,7 @@
   "nav": {
     "quickCreate": "Create project",
     "board": "Metrics",
+    "transcriptions": "Transcriptions",
     "projects": "Projects",
     "lifecycle": "Lifecycle",
     "analytics": "Analytics",
@@ -10,7 +11,8 @@
     "dataLibrary": "Data Library",
     "reports": "Reports",
     "wordAssistant": "Word Assistant",
-    "templates": "Templates"
+    "templates": "Templates",
+    "settings": "Settings"
   },
   "siteHeader": {
     "title": "Dashboard",
@@ -21,6 +23,7 @@
   },
   "settings": {
     "title": "Settings",
+    "subtitle": "Manage AI providers, models, and preferences",
     "language": "Language",
     "theme": "Theme",
     "light": "Light",
@@ -28,7 +31,37 @@
     "system": "System",
     "about": "About",
     "documentation": "Documentation",
-    "logout": "Log out"
+    "logout": "Log out",
+    "aiProvider": "AI Provider",
+    "aiProviderDesc": "Choose which AI engine to use for transcript analysis and story generation",
+    "recommended": "Recommended",
+    "bridge": "Bridge",
+    "openrouterDesc": "Access 200+ models with a single API key. Free and paid tiers available.",
+    "minimaxDesc": "High-performance Chinese models (MiniMax Text-01). Use your Token Plan API key from platform.minimax.io.",
+    "opencodeDesc": "Inherit model configuration from OpenCode (reads auth.json)",
+    "keyHelp": "You need an API key for this provider.",
+    "minimaxKeyHelp": "You need a User Token (not sk-... API key) from User Center → Interface Key. The token starts with 'eyJ...' or is a long string:",
+    "minimaxGroupId": "Group ID (optional)",
+    "minimaxGroupIdPlaceholder": "mg-...",
+    "minimaxGroupIdHelp": "Required if using a Group API Key. Find it at: platform.minimaxi.com → Group management.",
+    "apiKey": "API Key",
+    "apiKeyPlaceholder": "sk-or-v1-...",
+    "keyConfigured": "API key configured",
+    "saveKey": "Save",
+    "removeKey": "Remove",
+    "keySaved": "API key saved successfully",
+    "opencodeInfoTitle": "OpenCode Integration",
+    "opencodeInfoDesc": "Alpha can read API keys you've already configured in OpenCode from:",
+    "opencodeInfoFuture": "In the future, this will happen automatically when Alpha runs on Tauri (direct filesystem access). For now, configure OpenRouter manually.",
+    "opencodeFallback": "In the meantime, use",
+    "model": "AI Model",
+    "modelDesc": "Select which model to use for transcript analysis",
+    "freeModels": "Free",
+    "cheapModels": "Cheap",
+    "premiumModels": "Premium",
+    "currentModel": "Current model",
+    "account": "Account",
+    "loggedInAs": "Logged in as"
   },
   "login": {
     "title": "Sign in",
@@ -214,6 +247,71 @@
     "trendingUp": "Trending up",
     "trendingDown": "Trending down"
   },
+  "transcriptions": {
+    "title": "Transcriptions",
+    "subtitle": "Manage project sessions. Upload transcripts, analyze with AI, and maintain an incremental document.",
+    "configureAI": "Configure AI",
+    "aiKeyTitle": "OpenRouter API Key",
+    "aiKeyDesc": "You need an OpenRouter API key to analyze transcripts with DeepSeek.",
+    "apiKeyLabel": "OpenRouter API Key",
+    "apiKeyPlaceholder": "sk-or-v1-...",
+    "saveKey": "Save",
+    "selectProject": "Target project",
+    "projectPlaceholder": "Select a project...",
+    "dropzone": "Drop a file here",
+    "dropzoneFormats": "DOCX, VTT, TXT or MD",
+    "selectFile": "Select file",
+    "parsing": "Processing file...",
+    "addMore": "Add files",
+    "changeFile": "Change file",
+    "analyze": "Analyze with AI",
+    "chars": "characters",
+    "analyzingTitle": "Analyzing transcript...",
+    "analyzingDesc": "DeepSeek model is extracting user stories. This may take a few seconds.",
+    "error": "Error",
+    "tryAgain": "Try again",
+    "clear": "Clear all",
+    "summary": "Analysis summary",
+    "husFound": "{count} stories found",
+    "selected": "selected",
+    "createInKappa": "Create {count} in KAPPA",
+    "type": "Type",
+    "title": "Title",
+    "priority": "Priority",
+    "selectProjectToCreate": "Select a project above to create stories in KAPPA",
+    "analyzeSession": "Analyze session",
+    "sessionError": "Error analyzing session",
+    "sessionSummary": "Summary",
+    "sessionObjectives": "Objectives",
+    "sessionDecisions": "Decisions",
+    "sessionTasks": "Pending tasks",
+    "sessionCommitments": "Commitments",
+    "sessionKeyPoints": "Key points",
+    "generateDoc": "Update document",
+    "docUpdated": "Document updated",
+    "downloadDoc": "Download .md",
+    "docSaved": "Document saved to local database.",
+    "sessionCountTitle": "Sessions",
+    "sessionsRecorded": "sessions recorded",
+    "sessionDates": "Session calendar",
+    "noSessions": "No sessions recorded",
+    "sessionsLabel": "sessions",
+    "updatedAt": "Updated:",
+    "docViewer": "Session document",
+    "selectProjectHint": "Select a project to view its sessions",
+    "sessionCount": "{count} sessions | {count} session | {count} sessions"
+  },
+  "projectAi": {
+    "title": "Project AI Assistant",
+    "configure": "Configure",
+    "noKey": "No API key",
+    "keyReady": "Ready",
+    "configureLink": "Set up an AI provider",
+    "placeholder": "Ask something about the project...",
+    "thinking": "Thinking...",
+    "switchModel": "Switch model",
+    "settings": "Settings..."
+  },
   "workitems": {
     "unnamedEpic": "Epic {id}"
   }