v0.28.0

What's Changed

• refactor: standardize extension entrypoints by @narumiruna in #349
• docs: add extension conventions guide by @narumiruna in #350
• feat(pi-sync)!: rename slash command to sync by @narumiruna in #351
• feat(pi-sync): add unified command menu by @narumiruna in #352
• docs: remove outdated archived plans by @narumiruna in #353
• feat(pi-sync): add persistent file selection by @narumiruna in #354
• docs: clarify menu-first command conventions by @narumiruna in #356
• feat(statusline): make segment palette configurable by @narumiruna in #355
• feat: standardize extension status keys and icons by @narumiruna in #357
• feat(statusline): add segment visibility menu by @narumiruna in #358
• feat(statusline): add TUI segment ordering by @narumiruna in #359
• feat(statusline): add line breaks to segment menu by @narumiruna in #360
• perf: run repository checks in parallel by @narumiruna in #363
• chore: modify CI workflow to enhance package installation by @narumiruna in #362
• feat(statusline): simplify footer experience by @narumiruna in #364

Full Changelog: v0.27.2...v0.28.0