fix(create-expert): improve description clarity for internal experts

[FL4TLiN3]

Summary

Update descriptions to include input expectations and output format, following docs guidance.

Changes

Expert	Before	After
property-extractor	"Extracts testable properties from user requirements"	"Extracts testable properties from user requirements. Provide requirements text. Returns user properties, Perstack properties, usability properties, and external dependencies."
ecosystem-builder	"Creates Expert ecosystem (main + demo + setup + doctor)"	"Creates Expert ecosystem from properties. Provide extracted properties and requirements. Returns perstack.toml with main, demo, and optionally setup/doctor experts."
integration-manager	"Orchestrates coordinated functional and usability testing"	"Orchestrates functional and usability testing in parallel. Provide ecosystem info and properties. Returns integration report with scores and recommendations."
functional-manager	"Manages all functional PDCA cycles (happy-path, unhappy-path, adversarial)"	"Runs happy-path, unhappy-path, and adversarial tests. Provide properties and ecosystem. Returns functional test report with pass/fail counts."
usability-manager	"Manages usability PDCA cycle for expert ecosystem"	"Tests usability of expert ecosystem (demo, setup, doctor, errors). Provide ecosystem and properties. Returns usability report."
expert-tester	"Executes tests and reports property-wise results"	"Executes tests against experts. Provide stage, expert name, properties, and test cases. Returns property-wise pass/fail results."

Test plan

• CI passes

Closes #352

🤖 Generated with Claude Code

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Note

Improves clarity of expert descriptions in create-expert by specifying what each expert does, what input to provide, and what output to expect.

• Updates descriptions for property-extractor, ecosystem-builder, integration-manager, functional-manager, usability-manager, and expert-tester in create-expert-toml.ts
• Adds .changeset/improve-descriptions.md documenting the patch
• No functional logic changes; TOML content and instructions remain otherwise the same

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.

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