docs: remove internal Gandalf call instructions

[gandalf-at-lerian]

Removes internal Gandalf call instructions from CLAUDE.md on develop.

Requested by: @qnen

Validation: git diff --check; rg no longer finds Gandalf call instructions in CLAUDE.md.

[coderabbitai]

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Reviewing files that changed from the base of the PR and between bfa4277 and e93ff88.

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• CLAUDE.md

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Walkthrough

This PR removes the "How to call Gandalf (Lerian AI — Tailscale only)" section from CLAUDE.md, eliminating internal API invocation guidance and allowing the document to flow directly from commit conventions to CI/CD notes.

Changes

Documentation cleanup

Layer / File(s)	Summary
Remove Gandalf invocation documentation CLAUDE.md	The "How to call Gandalf (Lerian AI — Tailscale only)" section with curl/JQ/TASK_ID polling snippet is removed, streamlining the developer guide.

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_{Comment @coderabbitai help to get the list of available commands and usage tips.}

[lerian-studio]

🔍 PR Validation Summary

✅ PR Mergeable — no blocking failures

Check	Status	Blocking
Source Branch	✅ success	yes
PR Title	✅ success	yes
PR Description	✅ success	yes
PR Size	✅ success	no
Auto Labels	✅ success	no
PR Metadata	✅ success	no

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