Merge remote-tracking branch 'origin/dev'

src/tool_index.py

@@ -22,7 +22,13 @@ logger = logging.getLogger(__name__)
 # Tools that are ALWAYS included regardless of retrieval results.
 # These are the most commonly needed and should never be missing.
 ALWAYS_AVAILABLE = frozenset({
-    "bash", "python", "web_search", "web_fetch", "read_file",
+    "bash", "python", "web_search", "web_fetch",
+    # File tools: read AND write/edit. An agent with disk access should always
+    # be able to change files, not just read them — otherwise a bare "edit X"
+    # request can miss write_file/edit_file (RAG-only) and the model wrongly
+    # falls back to edit_document (editor panel). All admin-gated by tool_security.
+    "read_file", "write_file", "edit_file",
+    "grep", "glob", "ls",  # code-navigation tools (admin-gated by tool_security)
     "api_call",  # For configured integrations (Miniflux, Gitea, Linkding, etc.)
     # The two genuinely AMBIENT cookbook tools — "what's running" and
     # "kill it" can be asked any time without prior cookbook context,
@@ -71,8 +77,12 @@ BUILTIN_TOOL_DESCRIPTIONS: Dict[str, str] = {
     "python": "Execute Python code for computation, data processing, math, scripting, parsing, API calls. Not for writing code for the user.",
     "web_search": "Quick single web lookup for a fact, current event, or doc mid-task. NOT for 'research X' / 'do research on X' requests — those are deep-research jobs (use trigger_research). web_search = one query; trigger_research = a full researched report in the sidebar.",
     "web_fetch": "Fetch and read the text content of a specific URL/website the user names (e.g. 'check example.com', 'open this link'). Use when you have a concrete URL; for open-ended lookups use web_search instead.",
-    "read_file": "Read a file from disk and return its contents. View source code, config files, logs.",
-    "write_file": "Write content to a file on disk. Create new files, save output, update configs.",
+    "read_file": "Read a file from disk and return its contents. View source code, config files, logs. Supports an optional line range (offset/limit) for large files.",
+    "grep": "Search file CONTENTS for a regex across a directory tree (ripgrep-backed, honours .gitignore). Returns file:line:match. Use to find where code/symbols/strings live — prefer over bash grep.",
+    "glob": "Find FILES by glob pattern (e.g. '**/*.py'), newest first. Use to locate files by name/extension — prefer over bash find/ls.",
+    "ls": "List a directory's entries (folders then files with sizes). Use to see what's in a folder — prefer over bash ls.",
+    "write_file": "Write/create or fully rewrite a file ON DISK (source code, configs, project files). Use for new files or full rewrites — NOT create_document (editor panel) and NOT a bash heredoc.",
+    "edit_file": "Edit an existing file ON DISK by exact string replacement (fix a bug, change a function). Shows a diff. The tool for changing files on disk — NOT edit_document (editor panel) and NOT bash sed/heredoc.",
     "create_document": "Create a new document in the editor panel. For code, articles, text content longer than 15 lines, unless an already-open document/email draft is the obvious target. If an email compose draft is open, edit that draft instead of creating another document.",
     "edit_document": "Preferred tool for editing an existing document — targeted find-and-replace. Use for any small change: add a function, fix a bug, tweak a section, rename things.",
     "update_document": "Replace the entire active document content. ONLY for full rewrites (>50% changed). Do not use for small edits — use edit_document instead.",