feat: Agent Orchestrator — multi-project agent dashboard

Tauri + Svelte 5 + Rust application for orchestrating multiple AI coding agents.
Includes Claude, Aider, Codex, and Ollama provider support, multi-agent
communication (btmsg/bttask), session anchors, plugin sandbox, FTS5 search,
Landlock sandboxing, and 507 vitest + 110 cargo tests.

src/lib/providers/claude.ts

@@ -0,0 +1,25 @@
+// Claude Provider — metadata and capabilities for Claude Code
+
+import type { ProviderMeta } from './types';
+
+export const CLAUDE_PROVIDER: ProviderMeta = {
+  id: 'claude',
+  name: 'Claude Code',
+  description: 'Anthropic Claude Code agent via SDK',
+  capabilities: {
+    hasProfiles: true,
+    hasSkills: true,
+    hasModelSelection: true,
+    hasSandbox: false,
+    supportsSubagents: true,
+    supportsCost: true,
+    supportsResume: true,
+  },
+  sidecarRunner: 'claude-runner.mjs',
+  defaultModel: 'claude-opus-4-6',
+  models: [
+    { id: 'claude-opus-4-6', label: 'Opus 4.6' },
+    { id: 'claude-sonnet-4-6', label: 'Sonnet 4.6' },
+    { id: 'claude-haiku-4-5-20251001', label: 'Haiku 4.5' },
+  ],
+};