Fix six bug families in MCP tool schema and result handling - #1259

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hsm207 wants to merge 11 commits into

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hsm207:fix/mcp-schema-and-media

Commits on Sep 8, 2026

Repair string-encoded union members in custom tool call inputs

hsm207
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1f26ed9
Map text and non-image MCP resources to json, not media

hsm207
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03440e7
Keep zod schema instances alive when cloning tool definitions

hsm207
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d9d45fa
Serve JSON Schema tool inputs verbatim instead of zod round-tripping

hsm207
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773c937
Store tool definitions in agent state as plain JSON Schema

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1c2d490
Normalize subagent toolDefinitions to plain JSON Schema too

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f314ec9
Port regression test suite from fix branch onto V2 surfaces

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d0e7e85
Extract fix seams into dedicated modules for rebase-friendly diffs

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42b219d
Promote audit suite to permanent checklist-shaped regression tests

hsm207
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ff3f4b6
Fix type errors in promoted regression tests

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580f5bb
Prune redundant tests per handbook test-pruning guidelines

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059792d