chore: snapshot WIP previo + flow 0008 + 7 sub-issues (0112-0119)

Snapshot de WIP acumulado de sesiones previas antes de merge wave 1 del flow 0008 (kanban_cpp + agent_runner_api + DoD schema). Incluye: - dev/flows/0008-kanban-cpp-and-agent-workflows.md - dev/issues/0112-0119*.md (7 sub-issues) - WIP previo en cmd/fn/doctor.go, registry/*, modules/, cpp/, etc. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-18 18:17:08 +02:00
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+---
+id: "0112"
+title: "App kanban_cpp: clon C++ ImGui de kanban_web con backend Go propio"
+status: pendiente
+type: app
+domain:
+  - cpp-stack
+  - kanban
+  - agents
+scope: app
+priority: alta
+depends:
+  - "0110"
+blocks:
+  - "0116"
+related:
+  - "0008"
+  - "0113"
+  - "0117"
+  - "0118"
+created: 2026-05-18
+updated: 2026-05-18
+tags: [kanban, cpp, imgui, agents, backend-copy]
+flow: "0008"
+---
+
+# 0112 — App `kanban_cpp`
+
+## Problema
+
+`kanban_web` (React + Mantine) funciona bien para humanos. Falta un kanban dedicado a **conducir agentes LLM**: arrastrar card a `Doing (agent)` -> arranca workflow, sin abrir browser ni terminal.
+
+Flow 0008 lo requiere como surface 1 user-facing.
+
+## Decision
+
+Nueva app `apps/kanban_cpp/` (C++ ImGui via `fn::run_app`). Backend Go **copia identica** de `apps/kanban/backend/` con su propia `operations.db`. Frontend ImGui consume HTTP + SSE/WS del backend local.
+
+NO sync con kanban_web — datos independientes a proposito. Auth/users duplicados (cada app sus propios usuarios).
+
+### Estructura
+
+```
+apps/kanban_cpp/
+  CMakeLists.txt            # add_imgui_app + linkea http_request_cpp_core
+  app.md                    # trio: description + icon.phosphor=columns-3 + icon.accent=#a855f7
+  appicon.ico               # generado via generate_app_icon_py_infra
+  main.cpp                  # fn::run_app + 6 panels
+  data.{h,cpp}              # HTTP client wrapper (usa http_request_cpp_core)
+  panel_board.{h,cpp}       # columnas + cards drag-and-drop
+  panel_calendar.{h,cpp}    # vista calendar (port de CalendarView.tsx)
+  panel_dashboard.{h,cpp}   # KPIs (port de Dashboard.tsx)
+  panel_agent_runs.{h,cpp}  # lista runs (usa agent_runs_timeline_cpp_viz)
+  panel_worktrees.{h,cpp}   # git worktree manager
+  panel_dod.{h,cpp}         # DoD inspector (usa dod_evidence_panel_cpp_viz)
+  backend/                  # COPIA de apps/kanban/backend
+    main.go                 # port distinto: 8401 (web) -> 8403 (cpp)
+    db.go, handlers.go, ... # idem
+    migrations/             # mismas migrations
+    operations.db           # SU PROPIA DB
+```
+
+## Panels (6 + Board)
+
+Mapping con `apps/kanban/frontend/src/components/`:
+
+| Mantine component | Panel C++ | Funcion registry |
+|---|---|---|
+| `KanbanColumn` + `KanbanCard` | `panel_board` | inline (logica especifica) |
+| `CalendarView.tsx` | `panel_calendar` | inline |
+| `Dashboard.tsx` | `panel_dashboard` | `kpi_card_cpp_viz` + `sparkline_cpp_viz` |
+| nuevo | `panel_agent_runs` | `agent_runs_timeline_cpp_viz` (0118) |
+| nuevo | `panel_worktrees` | inline (calls `agent_runner_api`) |
+| nuevo | `panel_dod` | `dod_evidence_panel_cpp_viz` (0117) |
+
+## Criterios de aceptacion
+
+- [ ] `apps/kanban_cpp/` creado via `./fn run init_cpp_app kanban_cpp` (scaffolder canonico).
+- [ ] `backend/` copiado de `apps/kanban/backend` con port distinto (8403) y migrations propias.
+- [ ] `app.md` con trio completo: description 1 linea + `icon.phosphor: columns-3` + `icon.accent: "#a855f7"`.
+- [ ] `appicon.ico` generado via `./fn run generate_app_icon "columns-3" "#a855f7" apps/kanban_cpp/appicon.ico`.
+- [ ] App registrada en `cpp/CMakeLists.txt` (bloque `add_subdirectory`).
+- [ ] Build Windows cross-compile OK: `cmake --build cpp/build/windows --target kanban_cpp -j`.
+- [ ] Deploy a `/mnt/c/Users/lucas/Desktop/apps/kanban_cpp/` via `./fn run redeploy_cpp_app_windows kanban_cpp`.
+- [ ] `--self-test` arranca + verifica GL loader + SQLite local + conexion al backend `:8403`.
+- [ ] Trio aparece en App Hub tras `./fn run refresh_app_hub`.
+- [ ] Backend `:8403` arranca via systemd unit (tag `service`).
+- [ ] `uses_functions` declarado en `app.md` cubre: `http_request_cpp_core`, `kpi_card_cpp_viz`, `sparkline_cpp_viz`, `data_table_cpp_viz`, `dod_evidence_panel_cpp_viz` (0117), `agent_runs_timeline_cpp_viz` (0118).
+- [ ] `fn doctor uses-functions kanban_cpp` limpio.
+- [ ] `e2e_checks` declarados en `app.md`: build, --self-test, backend health, smoke board panel.
+
+## Gotchas
+
+- 2 services + 2 sqlite locks: nunca compartir `operations.db` entre `kanban` y `kanban_cpp`. Ports + DB independientes.
+- Auth: backend copia trae `users.go`. Decision: usuarios independientes por app. Documentar en `app.md`.
+- Mantine es modal-heavy (`Modal`, `Drawer`). En ImGui usar `ImGui::OpenPopup` + `BeginPopupModal`. NO replicar look pixel-perfect — adaptar a fn_tokens.
+- BD drift cross-PC: `operations.db` por PC, no se sincroniza. Si el usuario quiere portabilidad de cards -> issue separado.
+
+## Out of scope
+
+- Sync de cards entre `kanban_web` y `kanban_cpp` (otro issue, decision deferred).
+- Multi-user concurrent edit en kanban_cpp (single-user por ahora).
+- Tab `Chat` (`CardChatPanel.tsx`) — postergar a v2.
+
+## Plan implementacion
+
+1. `./fn run init_cpp_app kanban_cpp` (no flag --project: app suelta).
+2. `cp -r apps/kanban/backend apps/kanban_cpp/backend` + sed port 8401 -> 8403 + clear `operations.db`.
+3. Build cliente data.{h,cpp} con `fn_http::request`.
+4. Implement `panel_board` primero (MVP). Resto en orden.
+5. Trio + icon + refresh_app_hub.
+6. e2e_checks + smoke + deploy Windows.