chore: add specific return type hints to file_system_toolkits functions

[himanshu748]

Description

Adds specific dict[str, Any] return type hints to file_system_toolkits functions instead of generic dict. This improves type safety and IDE autocomplete support.

⚠️ CRITICAL NOTE FOR REVIEWER: This PR inadvertently includes upstream sync changes (184 commits) because the branch was created from a locally-synced main that wasn't pushed to origin. The only intended changes are in 4 files listed below. All other changes in the diff are from upstream sync and should NOT be reviewed as part of this PR.

Recommendation: This PR should be closed and recreated with a branch based on origin/main to isolate only the intended changes.

Type of Change

• Bug fix (non-breaking change that fixes an issue)
• New feature (non-breaking change that adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation update
• Refactoring (no functional changes)

Related Issues

Fixes aden-hive#1583

Changes Made (Intended)

The following 4 files were modified to use dict[str, Any] instead of dict:

• tools/src/aden_tools/tools/file_system_toolkits/list_dir/list_dir.py - Added from typing import Any import and changed list_dir() return type
• tools/src/aden_tools/tools/file_system_toolkits/view_file/view_file.py - Added from typing import Any import and changed view_file() return type
• tools/src/aden_tools/tools/file_system_toolkits/write_to_file/write_to_file.py - Added from typing import Any import and changed write_to_file() return type
• tools/src/aden_tools/tools/file_system_toolkits/grep_search/grep_search.py - Added from typing import Any import and changed grep_search() return type

Testing

• Unit tests pass (cd core && pytest tests/)
• Lint passes (cd core && ruff check .)
• Manual verification - changes are purely type annotations with no runtime impact

Checklist

• My code follows the project's style guidelines
• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes

Human Review Checklist

• CRITICAL: Verify this PR should be rebased/recreated - it contains 184 upstream commits that shouldn't be part of this PR
• If proceeding, confirm only the 4 file_system_toolkits files have the intended type hint changes
• Verify from typing import Any imports are correctly placed at top of each file
• Verify return type annotations changed from dict to dict[str, Any]

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Link to Devin run: https://app.devin.ai/sessions/626b4e606d97495f9640088656d06c35
Requested by: Himanshu Jha (@himanshu748)

[devin-ai-integration]

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[devin-ai-integration]

Hi! I'm Himanshu Jha (@himanshu748). I'd like to work on this issue. Could you please assign it to me?

This PR adds specific return type hints (dict[str, Any]) to file_system_toolkits functions, fixing issue aden-hive#1583.

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[Copilot]

Pull request overview

This PR adds specific dict[str, Any] return type hints to file_system_toolkits functions, improving type safety and IDE autocomplete support. However, the PR inadvertently includes 184 upstream sync commits that should not be part of this change.

Changes:

• Added from typing import Any imports to four file_system_toolkits files
• Changed return type annotations from dict to dict[str, Any] in four functions

Reviewed changes

Copilot reviewed 123 out of 186 changed files in this pull request and generated no comments.

File	Description
docs/architecture.md	UPSTREAM SYNC - File deletion, not part of intended changes
core/verify_mcp.py	UPSTREAM SYNC - Logging refactor, not part of intended changes
core/tests/*.py	UPSTREAM SYNC - Test formatting changes, not part of intended changes
All other files	UPSTREAM SYNC - Various upstream changes, not part of intended changes

⚠️ CRITICAL: This PR should be closed and recreated from a clean origin/main branch to include only the 4 intended file_system_toolkits changes.

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