feat(sdk): sync go/ts/python SDKs with server find/search, recall, an…

[zhoujh01]

…d admin changes

Server-side changes recently landed that the language SDKs had drifted from:

• find/search results now return tags and no longer return category/match_reason/relations/overview (feat(search): expose tags in find/search results and drop empty fields #3730). Go's strict struct was the only one broken; update MatchedContext accordingly.
• new admin endpoints for agent-evolution and per-account settings (feat(agent-evolution): improve provenance, history, and account settings #3695).
• public search/recall endpoint was missing from all SDKs.

Changes:

• python: add level/since/until/time_field to find/search; add an extra escape hatch to find/search/add_resource/write/batch_write so new server fields can be passed without an SDK bump (only forwarded when set, preserving level=0); add recall and the four admin methods.
• go: fix MatchedContext (add Tags, drop removed fields), add Recall and the four admin methods.
• typescript: type MatchedContext/FindResult, add RecallOptions, add recall and the four admin methods.

Description

Human Involvement

• A human participated in the implementation or review loop
• This PR was generated entirely by AI agents without human participation in the loop

Related Issue

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)
• Performance improvement
• Test update

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• 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
• I have tested this on the following platforms:
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  • macOS
  • Windows

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• Any dependent changes have been merged and published

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