feat(agents): Phase 8.4-10.5 built-in plugins, bundled skills, coordinator

backend/app/agents/plugins/builtins/code_helper/__init__.py

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+"""Code Helper Plugin - Linting, formatting, and code explanation tools"""
+
+
+def lint_file(file_path: str) -> dict:
+    """Lint a source file and return issues found."""
+    return {"status": "ok", "tool": "lint_file", "result": f"Linting {file_path}"}
+
+
+def format_file(file_path: str) -> dict:
+    """Format a source file and return the result."""
+    return {"status": "ok", "tool": "format_file", "result": f"Formatting {file_path}"}
+
+
+def explain_code(code_snippet: str) -> dict:
+    """Explain a code snippet and return the explanation."""
+    return {"status": "ok", "tool": "explain_code", "result": f"Explaining code snippet"}
+
+
+tools = [lint_file, format_file, explain_code]

backend/app/agents/plugins/builtins/code_helper/manifest.json

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+{
+  "id": "code_helper",
+  "name": "Code Helper",
+  "version": "1.0.0",
+  "description": "Code linting, formatting, and explanation tools",
+  "author": "",
+  "homepage": "",
+  "license": "MIT",
+  "plugin_type": "tool",
+  "main": "__init__.py",
+  "hooks": [],
+  "tools": ["lint_file", "format_file", "explain_code"],
+  "skills": [],
+  "dependencies": {},
+  "peer_dependencies": {},
+  "permissions": [],
+  "allowed_paths": [],
+  "denied_paths": [],
+  "network_allowed": false,
+  "allowed_hosts": [],
+  "config_schema": {}
+}

backend/app/agents/plugins/builtins/file_organizer/__init__.py

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+"""File Organizer Plugin - File organization and duplicate detection tools"""
+
+
+def organize_by_type(directory: str) -> dict:
+    """Organize files in a directory by file type."""
+    return {"status": "ok", "tool": "organize_by_type", "result": f"Organizing {directory} by type"}
+
+
+def find_duplicates(directory: str) -> dict:
+    """Find duplicate files in a directory."""
+    return {
+        "status": "ok",
+        "tool": "find_duplicates",
+        "result": f"Finding duplicates in {directory}",
+    }
+
+
+tools = [organize_by_type, find_duplicates]

backend/app/agents/plugins/builtins/file_organizer/manifest.json

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+{
+  "id": "file_organizer",
+  "name": "File Organizer",
+  "version": "1.0.0",
+  "description": "File organization and duplicate detection tools",
+  "author": "",
+  "homepage": "",
+  "license": "MIT",
+  "plugin_type": "tool",
+  "main": "__init__.py",
+  "hooks": [],
+  "tools": ["organize_by_type", "find_duplicates"],
+  "skills": [],
+  "dependencies": {},
+  "peer_dependencies": {},
+  "permissions": [],
+  "allowed_paths": [],
+  "denied_paths": [],
+  "network_allowed": false,
+  "allowed_hosts": [],
+  "config_schema": {}
+}

backend/app/agents/plugins/builtins/git_helper/__init__.py

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+"""Git Helper Plugin - Git status, log, and diff summary tools"""
+
+
+def git_status_summary() -> dict:
+    """Get a summary of git status."""
+    return {"status": "ok", "tool": "git_status_summary", "result": "Git status summary"}
+
+
+def git_log_summary(limit: int = 10) -> dict:
+    """Get a summary of recent git commits."""
+    return {"status": "ok", "tool": "git_log_summary", "result": f"Git log summary (limit={limit})"}
+
+
+def git_diff_summary(ref1: str = "HEAD", ref2: str = "HEAD~1") -> dict:
+    """Get a summary of changes between two refs."""
+    return {
+        "status": "ok",
+        "tool": "git_diff_summary",
+        "result": f"Git diff summary ({ref1}..{ref2})",
+    }
+
+
+tools = [git_status_summary, git_log_summary, git_diff_summary]

backend/app/agents/plugins/builtins/git_helper/manifest.json

@@ -0,0 +1,22 @@
+{
+  "id": "git_helper",
+  "name": "Git Helper",
+  "version": "1.0.0",
+  "description": "Git status, log, and diff summary tools",
+  "author": "",
+  "homepage": "",
+  "license": "MIT",
+  "plugin_type": "tool",
+  "main": "__init__.py",
+  "hooks": [],
+  "tools": ["git_status_summary", "git_log_summary", "git_diff_summary"],
+  "skills": [],
+  "dependencies": {},
+  "peer_dependencies": {},
+  "permissions": [],
+  "allowed_paths": [],
+  "denied_paths": [],
+  "network_allowed": false,
+  "allowed_hosts": [],
+  "config_schema": {}
+}

backend/app/agents/plugins/builtins/web_helper/__init__.py

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+"""Web Helper Plugin - Web fetching and HTML parsing tools"""
+
+
+def fetch_url_content(url: str) -> dict:
+    """Fetch content from a URL."""
+    return {"status": "ok", "tool": "fetch_url_content", "result": f"Fetching {url}"}
+
+
+def parse_html_links(html_content: str) -> dict:
+    """Parse HTML content and extract links."""
+    return {"status": "ok", "tool": "parse_html_links", "result": "Extracted links from HTML"}
+
+
+tools = [fetch_url_content, parse_html_links]

backend/app/agents/plugins/builtins/web_helper/manifest.json

@@ -0,0 +1,22 @@
+{
+  "id": "web_helper",
+  "name": "Web Helper",
+  "version": "1.0.0",
+  "description": "Web fetching and HTML parsing tools",
+  "author": "",
+  "homepage": "",
+  "license": "MIT",
+  "plugin_type": "tool",
+  "main": "__init__.py",
+  "hooks": [],
+  "tools": ["fetch_url_content", "parse_html_links"],
+  "skills": [],
+  "dependencies": {},
+  "peer_dependencies": {},
+  "permissions": [],
+  "allowed_paths": [],
+  "denied_paths": [],
+  "network_allowed": true,
+  "allowed_hosts": [],
+  "config_schema": {}
+}