feat: add audiobook-mcp validation and fix Dockerfile

Build and validate audiobook-mcp server for audiobook management.

Changes:
- dockerfiles/audiobook-mcp/Dockerfile: Fixed esbuild ETXTBSY error
  by using 'npm install --ignore-scripts' instead of 'npm ci'
- STATUS.md: Added audiobook-mcp as validated MCP (v1.1.0, 361MB)
- AGENTS.md: Added audiobook-mcp to Productivity & Automation section

Validation:
- Container builds successfully from source
- MCP protocol handshake verified with initialize request
- Protocol version 2024-11-05 confirmed
- Server name: audiobook-library, version 1.1.0
- Requires AUDIOBOOK_ROOT environment variable

AGENTS.md

@@ -56,6 +56,14 @@ This document tracks the AI agents and MCP servers configured in this project.
 #### Productivity & Automation (6 servers)
 | Service | Container Name | Description |
 |---------|---------------|-------------|
+| audiobook-mcp | kneldevstack-aimiddleware-audiobook-mcp | Audiobook management with AI-powered features |
+| gimp-mcp | kneldevstack-aimiddleware-gimp-mcp | Image editing with GIMP 3.0, OCR support |
+| snipeit-mcp | kneldevstack-aimiddleware-snipeit-mcp | Asset inventory, maintenance tracking |
+| mcp-redmine | kneldevstack-aimiddleware-mcp-redmine | Project management, issue tracking, file operations |
+| mcp-ansible | kneldevstack-aimiddleware-mcp-ansible | IT automation playbooks |
+| elasticsearch-mcp | kneldevstack-aimiddleware-elasticsearch-mcp | Search and index management (Rust) |
+| Service | Container Name | Description |
+|---------|---------------|-------------|
 | gimp-mcp | kneldevstack-aimiddleware-gimp-mcp | Image editing with GIMP 3.0, OCR support |
 | snipeit-mcp | kneldevstack-aimiddleware-snipeit-mcp | Asset inventory, maintenance tracking |
 | mcp-redmine | kneldevstack-aimiddleware-mcp-redmine | Project management, issue tracking, file operations |

STATUS.md

@@ -7,7 +7,7 @@ Last validated: 2026-01-22
 ## Validation Summary
 
 **Working MCP Servers:**
-- None
+- ✓ audiobook-mcp: Working (audiobook-library v1.1.0) - requires AUDIOBOOK_ROOT env var
 
 **MCP Servers with Configuration Issues:**
 - None
@@ -16,9 +16,10 @@ Last validated: 2026-01-22
 - None
 
 **Pending Build:**
-- All MCP servers pending build
+- All other MCP servers pending build
 
 **Recently Built:**
+- audiobook-mcp: Built (v1.1.0) - stdio-based, requires AUDIOBOOK_ROOT
 - bash-language-server: Built (v5.6.0) - configured in crush.json via wrapper script
 - docker-language-server: Built (v0.0.0) - configured in crush.json via wrapper script
 - marksman: Built (2025-12-13) - configured in crush.json via wrapper script
@@ -38,6 +39,7 @@ Last validated: 2026-01-22
 
 | Repository | Status | Notes |
 |------------|--------|-------|
+| audiobook-mcp | Built | Container built from source (361MB). MCP stdio-based, requires AUDIOBOOK_ROOT env var. Fixed Dockerfile to use npm install instead of npm ci. Version 1.1.0. |
 | bash-language-server | Built | Container built using prebuilt npm package (190MB). LSP configured in crush.json via wrapper script. Version 5.6.0. |
 | docker-language-server | Built | Container built from Go source (49.2MB). LSP configured in crush.json via wrapper script. Version 0.0.0. |
 | marksman | Built | Container built from prebuilt binary (144MB). LSP configured in crush.json via wrapper script. Version 2025-12-13. |

dockerfiles/audiobook-mcp/Dockerfile

@@ -6,7 +6,8 @@ WORKDIR /app
 
 COPY package.json package-lock.json* ./
 
-RUN npm ci
+# Use npm install instead of npm ci to avoid esbuild ETXTBSY errors
+RUN npm install --ignore-scripts
 
 COPY . .