feat: Vestige v2.0.0 "Cognitive Leap" — 3D dashboard, HyDE search, WebSocket events

The biggest release in Vestige history. Complete visual and cognitive overhaul.

Dashboard:
- SvelteKit 2 + Three.js 3D neural visualization at localhost:3927/dashboard
- 7 interactive pages: Graph, Memories, Timeline, Feed, Explore, Intentions, Stats
- WebSocket event bus with 16 event types, real-time 3D animations
- Bloom post-processing, GPU instanced rendering, force-directed layout
- Dream visualization mode, FSRS retention curves, command palette (Cmd+K)
- Keyboard shortcuts, responsive mobile layout, PWA installable
- Single binary deployment via include_dir! (22MB)

Engine:
- HyDE query expansion (intent classification + 3-5 semantic variants + centroid)
- fastembed 5.11 with optional Nomic v2 MoE + Qwen3 reranker + Metal GPU
- Emotional memory module (#29)
- Criterion benchmark suite

Backend:
- Axum WebSocket at /ws with heartbeat + event broadcast
- 7 new REST endpoints for cognitive operations
- Event emission from MCP tools via shared broadcast channel
- CORS for SvelteKit dev mode

Distribution:
- GitHub issue templates (bug report, feature request)
- CHANGELOG with comprehensive v2.0 release notes
- README updated with dashboard docs, architecture diagram, comparison table

734 tests passing, zero warnings, 22MB release binary.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

apps/dashboard/.svelte-kit/tsconfig.json

@@ -0,0 +1,73 @@
+{
+	"compilerOptions": {
+		"paths": {
+			"$lib": [
+				"../src/lib"
+			],
+			"$lib/*": [
+				"../src/lib/*"
+			],
+			"$components": [
+				"../src/lib/components"
+			],
+			"$components/*": [
+				"../src/lib/components/*"
+			],
+			"$stores": [
+				"../src/lib/stores"
+			],
+			"$stores/*": [
+				"../src/lib/stores/*"
+			],
+			"$types": [
+				"../src/lib/types"
+			],
+			"$types/*": [
+				"../src/lib/types/*"
+			],
+			"$app/types": [
+				"./types/index.d.ts"
+			]
+		},
+		"rootDirs": [
+			"..",
+			"./types"
+		],
+		"verbatimModuleSyntax": true,
+		"isolatedModules": true,
+		"lib": [
+			"esnext",
+			"DOM",
+			"DOM.Iterable"
+		],
+		"moduleResolution": "bundler",
+		"module": "esnext",
+		"noEmit": true,
+		"target": "esnext"
+	},
+	"include": [
+		"ambient.d.ts",
+		"non-ambient.d.ts",
+		"./types/**/$types.d.ts",
+		"../vite.config.js",
+		"../vite.config.ts",
+		"../src/**/*.js",
+		"../src/**/*.ts",
+		"../src/**/*.svelte",
+		"../test/**/*.js",
+		"../test/**/*.ts",
+		"../test/**/*.svelte",
+		"../tests/**/*.js",
+		"../tests/**/*.ts",
+		"../tests/**/*.svelte"
+	],
+	"exclude": [
+		"../node_modules/**",
+		"../src/service-worker.js",
+		"../src/service-worker/**/*.js",
+		"../src/service-worker.ts",
+		"../src/service-worker/**/*.ts",
+		"../src/service-worker.d.ts",
+		"../src/service-worker/**/*.d.ts"
+	]
+}