hotfix: add missing agent source modules (events, reasoning, schemas)

[DsThakurRawat]

Fix

PR #83 updated agents/__init__.py to import from .events, .reasoning, and .schemas, but those source files were not included. This broke CI.

Also adds tools/file_edit_tool.py (3-tier fuzzy matching) needed by test_file_edit_tool.py.

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ℹ️ Review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: ebf4ede5-8c60-4cdb-81e5-233dedb75604

📥 Commits

Reviewing files that changed from the base of the PR and between fba5a7a and c238a0f.

📒 Files selected for processing (4)

• agents/events.py
• agents/reasoning.py
• agents/schemas.py
• tools/file_edit_tool.py

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch hotfix/missing-agent-modules

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[gemini-code-assist]

Code Review

This pull request introduces a typed event system for agent communication, a multi-turn reasoning chain with validation retries, structured Pydantic schemas for various agent roles, and a high-precision file editing tool. Feedback includes addressing a path traversal vulnerability in the file edit tool, improving error handling in the reasoning chain's retry logic to avoid redundant validation attempts, and hardening the default security configuration in the CTO schema by removing wildcard CORS origins.

[gemini-code-assist]

The file_path parameter is joined with working_dir without validation, which can lead to path traversal vulnerabilities. An agent could potentially read or modify files outside the intended workspace by providing paths like ../../etc/passwd. Use os.path.abspath to resolve the path and verify it starts with the absolute path of the working_dir.

        full_path = os.path.abspath(os.path.join(self.working_dir, file_path))
        if not full_path.startswith(os.path.abspath(self.working_dir)):
            return ToolResult(
                success=False, output="", error=f"Access denied: {file_path} is outside working directory"
            )

[gemini-code-assist]

If the LLM's response for a schema fix is not valid JSON, json.loads will raise a JSONDecodeError. Currently, this error is caught and ignored, causing the loop to proceed and attempt to validate the original invalid output again. This wastes a retry attempt. Using continue ensures the loop moves to the next retry iteration.

Suggested change

	try:
	output = json.loads(raw)
	except json.JSONDecodeError:
	pass # Try validation again with the old output
	try:
	output = json.loads(raw)
	except json.JSONDecodeError:
	logger.warning("reasoning_chain.fix_parse_failed", raw=raw[:200])
	continue

[gemini-code-assist]

Defaulting cors_origins to ["*"] in a security configuration model is an insecure default. It is better to default to an empty list, forcing explicit configuration of allowed origins.

Suggested change

	cors_origins: list[str] = Field(default_factory=lambda: ["*"])
	cors_origins: list[str] = Field(default_factory=list)