chore: Update project metadata and improve documentation

[alexmarqs]

• Added repository and bugs fields to package.json for better project management.
• Introduced a new "Tech Stack" section in README to highlight tools used.
• Revised comments in tsdown.config.ts for clarity.
• Removed size and operations properties from Rollback type in src/types.ts to simplify the API.
• Added tests for pending operations and their retry behavior in index.test.ts.

Summary by CodeRabbit

Release Notes

• Breaking Changes

  • Removed operations and size getters from rollback API
  • API surface trimmed to add, commit, and rollback methods only

• Bug Fixes

  • Fixed commit() to no-op when rollback already executed

• Documentation

  • Updated API documentation to reflect removed properties

• Chores

  • Added repository and issue tracker metadata to package

[changeset-bot]

🦋 Changeset detected

Latest commit: f389617

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
rollbackit	Major

Not sure what this means? Click here to learn what changesets are.

Click here if you're a maintainer who wants to add another changeset to this PR

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ℹ️ Review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: 46af2143-ead7-4f58-bff2-5cbed2504a5c

📥 Commits

Reviewing files that changed from the base of the PR and between 55bfe34 and f389617.

📒 Files selected for processing (1)

• CLAUDE.md

📝 Walkthrough

Walkthrough

This PR removes the operations and size introspection properties from the Rollback API as a major version bump. The type contract is simplified, the implementation removes the corresponding getters, tests are updated to reflect the change, and documentation and metadata are synchronized.

Changes

Remove Operations and Size Getters

Layer / File(s)	Summary
Rollback type contract src/types.ts	Rollback type removes size: number and operations: readonly RollbackOperation[] properties, exposing only add(), commit(), and rollback() methods.
Implementation: remove getters and guard commit src/lib/operations.ts	createRollback() removes the operations and size getters from the returned object. commit() gains an early guard that returns immediately when the instance has already been rolled back.
Test updates tests/index.test.ts	Existing test is reworked to use async undo functions and removes size assertion; new test verifies early rollback stop with retryable pending operations.
Documentation and metadata README.md, .changeset/trim-operations-getter.md, package.json, tsdown.config.ts	API documentation table removes size and operations references. Changeset entry documents the major bump. Package metadata adds repository and bugs URLs. Build tool comment clarifies Node version requirements.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~12 minutes

Poem

🐰 Trim the clutter, clean the API,
Operations hidden, size gone away—
Just add, commit, rollback remain,
Less intrusion, much more sane! 🌱

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Title check	⚠️ Warning	The PR title 'chore: Update project metadata and improve documentation' is misleading because the primary changes involve removing API surface (size and operations getters from Rollback type), which is a major version bump documented in the changeset, not just metadata updates and documentation.	Revise the title to reflect the main change: consider 'feat: Remove size and operations getters from Rollback API' or 'chore: Simplify Rollback API by removing introspection properties' to accurately represent the breaking API changes.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
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.

_{✏️ Tip: You can configure your own custom pre-merge checks in the settings.}

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch chore/simplify-api-interface-plus-chores

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[coderabbitai]

🧹 Nitpick comments (1)

src/lib/operations.ts (1)

65-68: 💤 Low value

The commit() guard is correct but lacks dedicated test coverage.

The early return when rolledBack is true correctly implements the documented "safe no-op" behavior. Consider adding a test case that explicitly verifies commit() is a no-op after rollback() — similar to the existing test at line 139 that verifies repeated rollback() calls.

🤖 Prompt for AI Agents

Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

In `@src/lib/operations.ts` around lines 65 - 68, The commit() method already
guards with an early return when rolledBack is true, but there's no dedicated
test asserting commit() becomes a no-op after rollback(); add a unit test that
calls rollback() on an instance and then calls commit() and verifies no state
change and no errors (mirroring the existing repeated-rollback test pattern),
referencing the Operations class or function under test and its commit() and
rollback() methods to locate where to add the new test.

🤖 Prompt for all review comments with AI agents

Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

Nitpick comments:
In `@src/lib/operations.ts`:
- Around line 65-68: The commit() method already guards with an early return
when rolledBack is true, but there's no dedicated test asserting commit()
becomes a no-op after rollback(); add a unit test that calls rollback() on an
instance and then calls commit() and verifies no state change and no errors
(mirroring the existing repeated-rollback test pattern), referencing the
Operations class or function under test and its commit() and rollback() methods
to locate where to add the new test.

---

ℹ️ Review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: c12fd7b2-841e-4e9a-836e-6e98bc904559

📥 Commits

Reviewing files that changed from the base of the PR and between 416d878 and 55bfe34.

📒 Files selected for processing (7)

• .changeset/trim-operations-getter.md
• README.md
• package.json
• src/lib/operations.ts
• src/types.ts
• tests/index.test.ts
• tsdown.config.ts

💤 Files with no reviewable changes (1)

• src/types.ts