Correct README trust boundaries and proof

[laulpogan]

Summary

• correct the direct-edit, promotion, and audit boundaries against current source
• replace stale visual proof with recorded terminal evidence from the current tutorial
• narrow the first-run fetch to the document-skill source used by the demo
• make the primary user, first-value signal, and deployment boundary explicit

This follows the revert in #40 and does not restore the README from #39.

Scope

• README.md only

Verification

• CodeScene pre-commit and branch-level quality gates passed
• OSS Ready evidence, local target, and asset checks passed
• docker compose config --quiet passed
• recorded output matches docs/tutorial.md at the current base revision
• full local Docker execution remained unavailable because of the host Docker storage and daemon fault; PR CI is the execution gate

Summary by CodeRabbit

• Documentation
  • Reorganized and clarified the README’s introduction, system guarantees, deployment model, and project status/support information.
  • Refreshed the Quickstart with updated prerequisites (including Docker Compose version), required local ports, narrower skill-fetching instructions, and improved “successful run” guidance.
  • Tightened the “How it works” “Govern” description to better reflect evidence-gated approval and snapshotted, recoverable promotion behavior.

[coderabbitai]

Caution

Review failed

The pull request is closed.

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro Plus

Run ID: 5d5746e0-05d9-491b-a225-d44012f917da

📥 Commits

Reviewing files that changed from the base of the PR and between 260c3d9 and 71176b4.

📒 Files selected for processing (1)

• README.md

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📝 Walkthrough

Walkthrough

README.md was reorganized to clarify Ingot’s controls, deployment model, quickstart flow, governance scope, recorded trace behavior, and project support policies.

Changes

README documentation refresh

Layer / File(s)	Summary
Overview, deployment, and quickstart guidance README.md	The introduction, control guarantees, deployment model, prerequisites, skill-fetching steps, and recorded-run explanation were rewritten.
Governance and support documentation README.md	Governance language now focuses on optimizer-generated challengers and human promotion, while project support channels and security-fix scope are documented.

Estimated code review effort: 1 (Trivial) | ~5 minutes

Possibly related PRs

• SlanchaAI/ingot#27: Updates the README structure and high-level documentation framing.
• SlanchaAI/ingot#39: Reworks overlapping README introduction, quickstart, deployment, and support content.
• SlanchaAI/ingot#40: Reverts related README changes in the same sections.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title accurately summarizes the README update around trust boundaries and recorded proof evidence.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch docs/oss-ready-readme-current

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