v0.22.0

What's Changed

• feat(webui): support additional image formats by @narumiruna in #278
• feat(webui): reorder image attachments by @narumiruna in #280
• feat(webui): clear image attachments by @narumiruna in #282
• feat(pi-lsp): handle push diagnostics by capability by @narumiruna in #283
• feat(pi-lsp): capability-based routing + settled push diagnostics by @dabeeduu in #281
• feat(webui): stage image attachments on the server by @narumiruna in #284
• feat(webui): recover drafts from session memory by @narumiruna in #285
• feat(webui): reattach sanitized sent images by @narumiruna in #286
• feat(webui): configure safe image limits by @narumiruna in #287
• feat(webui): polish image attachment composer by @narumiruna in #288
• fix(webui): compact image attachment cards by @narumiruna in #289
• fix(webui): improve image drag ordering by @narumiruna in #290
• fix(lsp): handle unavailable default servers gracefully by @narumiruna in #292
• fix(retry): respect disabled agent retry policy by @narumiruna in #291

Full Changelog: v0.21.0...v0.22.0