chore(main): release browser 0.3.0

[github-actions]

🤖 I have created a release beep boop

0.3.0 (2026-06-26)

Features

• browser-extension: dynamic status badge and auto-reload on style change (28650ab)
• browser-extension: dynamic status badge and auto-reload on style change (4cc772b)
• browser-extension: redesign opt-in banner as floating notification card (a7b823b)
• browser-extension: redesign opt-in banner as floating notification card (f46a057)
• browser-extension: redesign popup with dark theme and visual style picker (92af1ec)
• browser-extension: redesign popup with dark theme and visual style picker (3fce770)
• browser-extension: refine status badge to 5 contextual states (909c052)
• browser-extension: refine status badge to 5 contextual states (4d43402)
• browser: add conversation-view comment processing (9296240)
• browser: conversation-view comment processing (d29f6d4)

Bug Fixes

• browser-extension: add 16px transparent padding to 128px icon (c1a2c99)
• browser-extension: add 16px transparent padding to 128px icon (a4ab226)
• browser-extension: reload page and refresh status on repo changes (4539b89)
• browser-extension: reload page and refresh status on repo changes (ecbfb7e)
• browser-extension: resolve Sentinel critical findings (a7ee592)
• browser-extension: resolve Sentinel critical findings (93339c9)
• ci: add @types/chrome for browser extension typecheck (0737424)
• ci: add @types/chrome for browser extension typecheck (7842ba5)
• ci: resolve pre-existing typecheck errors (c21dded)
• ci: resolve pre-existing typecheck errors (e704065)
• docs: correct ^gn metadata tag format to ^gn:LINE:START:END (d854abf)
• docs: correct ^gn metadata tag format to ^gn:LINE:START:END (fa9476f)
• error-handling: add error logging, retry logic, scope validation, and storage guards (76d9437)
• error-handling: add error logging, retry logic, scope validation, and storage guards (5e00b1f)
• github-selectors: add hash-resilient fallback selectors for GitHub CSS modules (22bee04)
• github-selectors: add hash-resilient fallback selectors for GitHub CSS modules (6e4a0fd)
• highlighter: use JS filtering instead of incomplete CSS escaping in clearHighlight (c1d4535)
• highlighter: use JS filtering instead of incomplete CSS escaping in clearHighlight (5046703)
• network: add fetch timeouts, rate limit handling, and parallel sidecar processing (304b5ff)
• network: add fetch timeouts, rate limit handling, and parallel sidecar processing (04f7308)
• sidecar-client: harden sidecar operations against edge cases (9f62b15)
• sidecar-client: harden sidecar operations against edge cases (0dd419d)
• test: resolve merge conflict between retry logic and network error tests (7b2004c)
• test: resolve merge conflict between retry logic and network error tests (743975e)

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