docs: link shared module CI contract

[senamakel]

Summary

• Add TinyBus contributor guidance and link the shared module CI/release contract.

Verification

• git diff --check

Summary by CodeRabbit

• Documentation
  • Expanded contributor guidance with service bus, module compatibility, admission, and lifecycle details.
  • Added guidance on focused changes, regression coverage, and shared CI and release requirements.

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[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

• Configuration used: Organization UI
• Review profile: CHILL
• Plan: Advanced
• Run ID: 976826b2-1c17-4ca3-b88f-65423bbcf1b3

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📥 Commits

Reviewing files that changed from the base of the PR and between 5107775 and 88fc8e3.

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📒 Files selected for processing (1)

• CONTRIBUTING.md

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Included review availability: This review used your included allowance. Your plan provides up to 1 included review per hour; 0 remain after this review.

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📝 Walkthrough

Walkthrough

CONTRIBUTING.md adds guidance on TinyBus’s contracts, focused changes, regression coverage, and shared module CI and release contracts.

Changes

Contribution guidance

Layer / File(s)	Summary
Contributor expectations CONTRIBUTING.md	Adds guidance on TinyBus’s service bus, module ABI, admission, and lifecycle contracts. It asks contributors to keep changes focused, include regression coverage for behavior changes, and use the shared module CI and release contract.

Priority: ⬇️ Low

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

Change: Other

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Merge Risk: ⚪ Minimal · up to 88fc8

The contribution guidance accurately links to the shared CI and release requirements. No merge-blocking issue was found.

Architecture Summary

Architecture risk: 🔵 Low · up to 88fc8

The change affects 1 system.

Changed systems: CONTRIBUTING.md

Architecture concerns
No architecture-level concerns identified.

Review details

Systems and components

• observed — CONTRIBUTING.md (service) was modified; 1 changed file maps to changed impact.

Before / after behavior

• observed — Modified behavior in CONTRIBUTING.md: Added contribution guidance identifying TinyBus’s contracts, requesting focused changes and regression coverage for behavior changes, and linking to the shared module CI and release contract.

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Pre-merge checks | 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check		Check skipped - CodeRabbit’s high-level summary is enabled.
Title check		The title clearly identifies the documentation change to link the shared module CI contract. This change is present in the pull request and matches a stated objective.
Docstring Coverage		No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 0…
Linked Issues check		Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check		Check skipped because no linked issues were found for this pull request.

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• Autofix · Keep fixing CodeRabbit findings and required CI, and resolving merge conflicts

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_{A rabbit reads the contract page,
Then checks each change is small in scope.
For changed behavior, tests take stage,
CI and release links offer hope.
It thumps, then hops along its way.}

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

[tinysweeper]

Tiny Sweeper review

Tiny Sweeper reviewed this change across 5 lane(s) and found 0 active actionable finding(s). Detailed lane evidence and any incomplete work are listed below.

State: Ready for maintainer review
Priority: none
Reviewed head: 88fc8e3a11fb
Updated: 2026-10-10T21:08:07Z

Review snapshot

Change surface	Files	Review signal	Count
Production	0	Active findings	0
Tests	0	Noted findings	0
Documentation	1	Resolved findings	0
Configuration	0	Pending checks/questions	0

Completeness: Complete
Test assessment: No supported feature-to-test mapping was available; this does not mean tests are absent or passed.

Features

None identified with supported citations.

Tests

No supported feature-to-test mapping was produced. Test execution is not inferred.

Findings

No active actionable findings.

Before merge

None.

Agent review details

critique

• Conclusion: Success
• Scope reviewed: all assigned evidence
• Lane summary: The change adds focused contributor guidance and links the shared CI and release contract. It is safe to merge. _The code index for this repository is cold, so this review saw the diff alone._ _4 memory call(s) failed (model: cortex: v1/recall: timed out after 10s), so this review saw part of what the engine holds._

security

• Conclusion: Neutral
• Scope reviewed: all assigned evidence
• Lane summary: No changed file has any attack surface. 1 file was not security-reviewed: CONTRIBUTING.md (prose or tabular data).

tests

• Conclusion: Neutral
• Scope reviewed: all assigned evidence
• Lane summary: No behavioural change: nothing outside documentation, configuration and tests.

commits

• Conclusion: Neutral
• Scope reviewed: all assigned evidence
• Lane summary: Nothing sensitive found in what this pull request commits.

description

• Conclusion: Success
• Scope reviewed: all assigned evidence
• Lane summary: A small documentation-only change adding CONTRIBUTING.md that links the shared module CI contract, matching the title and body. The description accurately reflects the diff; no defects found. _The code index for this repository is cold, so this review saw the diff alone._ _4 memory call(s) failed (model: cortex: v1/recall: timed out after 10s), so this review saw part of what the engine holds._

Evidence and run details

• Models: flash, gpt-5.6-luna, glm-5.3-flash
• Spend: $0.000271
• Tokens: 12439 input · 1102 output · 5012 cached · 0 embedding

Head	State	Pass summary
88fc8e3a11fb	ready for maintainer review	0 active finding(s), 0 resolved finding(s) (at 2026-10-10T21:08:07Z)

[tinysweeper]

tinysweeper found nothing blocking. Approving.

             $0.0003 · 12,439 in / 1,102 out · 5,012 cached (40%) · flash, gpt-5.6-luna, glm-5.3-flash
critique:    $0.0002 · 4,684 in  / 125 out   · 2,452 cached (52%) · gpt-5.6-luna
description: $0.0000 · 4,002 in  / 46 out    · 1,984 cached (50%) · glm-5.3-flash