chore: add lint:fix script for ESLint auto-fixes

[var-raphael]

Closes #1466

Added a lint:fix script that mirrors the existing lint script setup — root script fans out via yarn workspaces foreach, and added the actual eslint . --fix command in packages/web (currently the only workspace with a lint script).

Tested by running yarn lint:fix — it auto-fixed what ESLint could fix and correctly left 4 warnings that need manual review (unused vars, missing hook deps), same as expected behavior with --fix.

Also added a CHANGELOG entry under Unreleased.

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Note

Low Risk
Tooling-only script and documentation changes with no runtime or production behavior impact.

Overview
Adds yarn lint:fix at the repo root, using the same yarn workspaces foreach pattern as lint, so developers can auto-fix ESLint issues across workspaces from one command.

@sourcebot/web gets a matching lint:fix script that runs eslint . --fix with the same SKIP_ENV_VALIDATION setup as lint. Other packages are unchanged until they define their own lint:fix.

The unreleased CHANGELOG documents the new script.

^{Reviewed by Cursor Bugbot for commit 1c6e175. Bugbot is set up for automated code reviews on this repo. Configure here.}

Summary by CodeRabbit

• New Features

  • Added a root lint:fix command to automatically detect and fix ESLint issues across workspace packages.
  • Added a lint:fix script for the web package (eslint . --fix) aligned with the existing lint environment behavior.

• Documentation

  • Documented the new lint:fix command in the unreleased changelog.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro Plus

Run ID: 59a09141-a14c-4fbb-a9dc-b0110368b9e7

📥 Commits

Reviewing files that changed from the base of the PR and between 52e9795 and 1c6e175.

📒 Files selected for processing (1)

• CHANGELOG.md

🚧 Files skipped from review as they are similar to previous changes (1)

• CHANGELOG.md

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Walkthrough

Adds a root lint:fix workspace command, a web workspace ESLint auto-fix script, and an Unreleased changelog entry documenting the new command.

Changes

Lint auto-fix scripts

Layer / File(s)	Summary
Workspace lint auto-fix flow package.json, packages/web/package.json, CHANGELOG.md	The root script runs lint:fix topologically across workspaces; the web script runs eslint . --fix with SKIP_ENV_VALIDATION=1; the changelog records the addition.

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

🚥 Pre-merge checks | ✅ 3 | ❌ 2

❌ Failed checks (2 warnings)

Check name	Status	Explanation	Resolution
Linked Issues check	⚠️ Warning	The PR adds the root shortcut and web script, but it misses the other four workspace scripts and the required CONTRIBUTING.md update from #1466.	Add lint:fix to backend, db, schemas, and shared; update CONTRIBUTING.md; then verify yarn lint:fix and yarn lint.
Out of Scope Changes check	⚠️ Warning	The CHANGELOG.md entry is unrelated to the requested lint script and CONTRIBUTING.md changes, so it appears to be extra scope.	Remove the changelog edit or move it to a separate release-notes PR unless it's required by repository policy.

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title is concise and accurately describes the main change: adding an auto-fix lint script.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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[coderabbitai]

Actionable comments posted: 1

🤖 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.

Inline comments:
In `@CHANGELOG.md`:
- Around line 10-11: Update the changelog entry for the lint:fix script to
replace the placeholder [`#XXXX`] reference and URL with the actual pull request
number and corresponding GitHub link once the PR is created.

🪄 Autofix (Beta)

Fix all unresolved CodeRabbit comments on this PR:

• Push a commit to this branch (recommended)
• Create a new PR with the fixes

---

ℹ️ Review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro Plus

Run ID: 60313d5c-9208-4cbc-bd69-580d74077215

📥 Commits

Reviewing files that changed from the base of the PR and between 9491a13 and 52e9795.

📒 Files selected for processing (3)

• CHANGELOG.md
• package.json
• packages/web/package.json

[coderabbitai]

📐 Maintainability & Code Quality | 🟡 Minor | ⚡ Quick win

Replace the placeholder PR link.

[#XXXX] is not a valid PR reference. After the PR is created, update this entry to use the actual PR number and URL in the required follow-up commit.

🤖 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 `@CHANGELOG.md` around lines 10 - 11, Update the changelog entry for the
lint:fix script to replace the placeholder [`#XXXX`] reference and URL with the
actual pull request number and corresponding GitHub link once the PR is created.

Source: Coding guidelines