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>

manifest.json

@@ -0,0 +1,45 @@
+{
+  "version": "0.3",
+  "name": "obsidian-mcp",
+  "display_name": "Obsidian CLI Bundle",
+  "description": "MCP Bundle for Obsidian CLI - Enable AI assistants to manage Obsidian vaults through conversational interface",
+  "author": "Obsidian MCP Contributors",
+  "homepage": "https://github.com/obsidian-mcp/obsidian-mcp-bundle",
+  "license": "MIT",
+  "icon": "assets/icon.png",
+  "server": {
+    "type": "node",
+    "entry_point": "dist/index.js"
+  },
+  "mcp_config": {
+    "command": "node",
+    "args": [
+      "${__dirname}/dist/index.js"
+    ],
+    "env": {
+      "OBSIDIAN_VAULT": "${user_config.vault_name}",
+      "MCP_LOG_LEVEL": "info"
+    }
+  },
+  "user_config": {
+    "type": "object",
+    "properties": {
+      "vault_name": {
+        "type": "string",
+        "description": "Name of the Obsidian vault to manage",
+        "required": true
+      }
+    }
+  },
+  "compatibility": {
+    "platforms": ["darwin", "win32", "linux"],
+    "node": ">=18.0.0",
+    "obsidian_cli": ">=1.0.0"
+  },
+  "capabilities": {
+    "tools": true,
+    "resources": false,
+    "prompts": false
+  },
+  "tools": []
+}