fix: consolidate Claude workflows and clarify FOUNDATION.md

[carlos-alm]

Summary

• Merge claude-code-review.yml into claude.yml as a dedicated review job, triggered on pull_request events — removes the duplicate standalone workflow
• Rewrite the "what we're not" section in FOUNDATION.md to better articulate codegraph's positioning as a code intelligence engine

Test plan

• Verify claude.yml workflow triggers correctly on PR events (review job) and issue/comment events (claude job)
• Confirm claude-code-review.yml is deleted and no CI references remain

[greptile-apps]

Greptile Summary

Consolidated duplicate Claude workflows into a single file and improved documentation clarity. The standalone claude-code-review.yml workflow was merged into claude.yml as a dedicated review job, eliminating duplication while preserving identical functionality. The FOUNDATION.md "what we're not" section was rewritten to better articulate codegraph's positioning as a code intelligence engine rather than focusing on technical implementation details.

Confidence Score: 5/5

• This PR is safe to merge with no risk
• Both changes are straightforward refactoring: the workflow consolidation is a mechanical merge with no functional changes, and the documentation update improves clarity without affecting code
• No files require special attention

Important Files Changed

Filename	Overview
.github/workflows/claude.yml	Consolidated claude-code-review.yml into this file as a dedicated review job; properly isolated with if condition and identical configuration
.github/workflows/claude-code-review.yml	Deleted file — functionality merged into claude.yml as the review job
FOUNDATION.md	Improved positioning clarity in "what we're not" section; shifted from technical implementation details to clearer product positioning

_{Last reviewed commit: 6080e1c}

[greptile-apps]

_{3 files reviewed, no comments}

_{Edit Code Review Agent Settings | Greptile}