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core/docs/DESIGN-0.19.2.md
2026-03-01 01:05:54 +00:00

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# v0.19.2 — Project Persona Default, Archive Toggle, Channel Reorder
**Status:** Implementation
**Depends on:** v0.19.1
---
## 1. Project-level Persona Default
### Concept
Bind a persona to a project so all chats inherit model, system prompt,
and parameters without selecting it each time. The persona acts as a
fallback when no explicit preset is chosen per-message.
### Resolution Chain (completion.go)
```
1. Explicit req.PresetID → highest priority
2. Project persona default → fallback when no explicit preset ← NEW
3. No persona → bare model, no persona context
```
### Storage
`projects.settings` JSONB:
```json
{ "persona_id": "uuid-here", "system_prompt": "..." }
```
### Backend Changes
In `completion.go`, after the explicit preset block, before
`resolveConfig`:
```go
// ── Project persona fallback (v0.19.2) ──
if req.PresetID == "" && h.stores.Projects != nil {
projID, _ := h.stores.Projects.GetProjectIDForChannel(ctx, channelID)
if projID != "" {
proj, _ := h.stores.Projects.GetByID(ctx, projID)
if proj != nil {
if pid, ok := proj.Settings["persona_id"].(string); ok && pid != "" {
preset := ResolvePreset(h.stores, pid, userID)
if preset != nil {
personaID = preset.ID
if req.Model == "" { req.Model = preset.BaseModelID }
// ... same defaults as explicit preset
}
}
}
}
}
```
### Frontend Changes
Project detail panel: persona picker dropdown below system prompt.
Lists available personas, saves to `settings.persona_id`.
---
## 2. Project Archive Toggle
### Behavior
- Toggle in project detail panel (checkbox)
- Archived projects hidden from sidebar by default
- "Show archived" toggle at bottom of sidebar (or in panel)
- Uses existing `is_archived` column — no migration needed
### Files Changed
- `src/js/projects-ui.js` — archive toggle in panel, sidebar filter
- `src/js/ui-core.js` — filter archived in renderChatList
- `src/css/styles.css` — dimmed style for archived
---
## 3. Channel Reorder Within Project
### Behavior
- Dragging a chat within the same project group reorders it
- Drop between chats inserts at that position
- Calls `PUT /projects/:id/channels/reorder` with new order
- Position persisted server-side, respected on next load
### Implementation
- `onProjectDrop` detects same-project reorder vs cross-project move
- Compute new channel order from DOM after drop
- Channels within project sorted by position from
`project_channels.position` (loaded alongside projects)
### Files Changed
- `src/js/projects-ui.js` — reorder logic
- `src/js/ui-core.js` — sort projChats by position
- `src/js/app.js` — store project channel positions
---
## Files Summary
| File | Change |
|------|--------|
| `server/handlers/completion.go` | Project persona fallback |
| `src/js/projects-ui.js` | Persona picker, archive toggle, reorder |
| `src/js/ui-core.js` | Archive filter, position sort |
| `src/js/app.js` | Channel positions state |
| `src/css/styles.css` | Archive styles |
| `VERSION` | 0.19.1 → 0.19.2 |
| `CHANGELOG.md` | New entry |
No migrations. No new files.