feat: implement Obsidian MCP Bundle MVP (Phase 1-3)

- Complete project setup with TypeScript, Jest, MCPB manifest
- Implement foundational infrastructure (CLI executor, logger, error handler)
- Add 9 file operation tools for User Story 1
- Full MCP protocol compliance with stdio transport
- Input validation and sanitization for security
- Comprehensive error handling with actionable messages
- Constitutional compliance: all 6 principles satisfied

MVP includes:
- obsidian_create_note, read, append, prepend, delete, move, rename, open, file_info
- Zod validation schemas for all parameters
- 30s timeout configuration with per-command overrides
- Stderr-only logging with sanitized output
- Graceful shutdown handling

Build: ✅ 0 errors, 0 vulnerabilities
Tasks: 48/167 complete (MVP milestone)

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

package.json

@@ -0,0 +1,37 @@
+{
+  "name": "obsidian-mcp",
+  "version": "1.0.0",
+  "description": "MCP Bundle for Obsidian CLI - Enable AI assistants to manage Obsidian vaults through Model Context Protocol",
+  "type": "module",
+  "main": "dist/index.js",
+  "scripts": {
+    "build": "tsc",
+    "pack": "npm run build && mcpb pack",
+    "test": "jest",
+    "dev": "tsc --watch",
+    "validate-tools": "node scripts/validate-tools.js"
+  },
+  "keywords": [
+    "mcp",
+    "obsidian",
+    "model-context-protocol",
+    "ai-assistant",
+    "note-taking"
+  ],
+  "author": "",
+  "license": "MIT",
+  "engines": {
+    "node": ">=18.0.0"
+  },
+  "dependencies": {
+    "@modelcontextprotocol/sdk": "^1.0.0",
+    "zod": "^3.22.4"
+  },
+  "devDependencies": {
+    "@types/jest": "^29.5.11",
+    "@types/node": "^20.10.6",
+    "jest": "^29.7.0",
+    "ts-jest": "^29.1.1",
+    "typescript": "^5.3.3"
+  }
+}