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Diffstat (limited to '.rules/changelog/2026-03/29')
| -rw-r--r-- | .rules/changelog/2026-03/29/01.md | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/.rules/changelog/2026-03/29/01.md b/.rules/changelog/2026-03/29/01.md new file mode 100644 index 0000000..117efc2 --- /dev/null +++ b/.rules/changelog/2026-03/29/01.md @@ -0,0 +1,24 @@ +# Chat History Persistence & Cross-Device Sync + +## New File: `src/chat-history.ts` +- Added `PersistedMessage` and `ChatHistoryData` interfaces for typed storage +- `loadChatHistory()` — reads from `chat-history.json` in the plugin folder via `vault.adapter` +- `saveChatHistory()` — writes user/assistant messages to disk (strips system/tool messages) +- `clearChatHistory()` — writes an empty history file (not deletion) for reliable Obsidian Sync propagation +- `toPersistableMessages()` / `toRuntimeMessages()` — conversion between runtime `ChatMessage[]` and storage format +- `isValidChatHistory()` — strict type guard for safe JSON parsing with version check + +## Modified: `src/chat-view.ts` +- On **open**: restores persisted chat history, renders user messages as plain text and assistant messages as markdown (with wiki-link navigation) +- On **message send**: debounced save (500ms) after user message and after assistant response completes +- On **close**: flushes pending save and cleans up debounce timer +- On **clear chat**: writes empty history file and updates sync snapshot +- Added `reloadChatHistory()` public method for external sync triggers; skips reload if streaming is active to avoid UI disruption +- Added `saveChatHistoryDebounced()` with snapshot update to prevent false sync reloads from local writes + +## Modified: `src/main.ts` +- Added `onExternalSettingsChange()` — reloads settings and checks for chat history changes when Obsidian Sync updates `data.json` +- Added `visibilitychange` DOM event listener — checks for synced changes when the app regains focus (covers device switching) +- Added `checkChatHistorySync()` — snapshot-based change detection that reloads the chat view only when the persisted file differs from the known state +- Added `updateChatSnapshot()` — called after local saves and restores to prevent false sync triggers +- Added `buildChatSnapshot()` helper — lightweight string comparison using message count and last message content |