feat: v0.5.0→v0.8.0 — multi-vues, filtres, tri, modale, checklists

v0.5.0 (Kanban complet):
- Card detail modal avec checklists + commentaires Gitea
- Création d'issues inline (formulaire + POST /api/issues)
- Édition inline (contenteditable)

v0.6.0 (Table view):
- table_view.html: colonnes Name/Status/Assign/Deadline/Team/Keywords
- Tri par colonne (clic en-tête, asc/desc)
- Groupes rétractables (Design/Engineering)

v0.7.0 (Filtres & Tri):
- Filtres cumulables AND (backend _apply_filters + UI pastilles)
- Status dropdown avec checkboxes + dots colorés
- Sort panel multi-critères (+ Add sort / Delete sort)
- Backend _apply_sorts avec asc/desc

v0.8.0 (Vues spéciales):
- status_overview.html: SVG donut chart + légende + pourcentages
- team_load.html: barres empilées par avatar
- detailed_board.html: cartes avec toutes propriétés

Backend:
- /board/{o}/{r}/view/{view} — 5 fragments HTMX
- /api/issues/{o}/{r}/{id}?format=html — modal HTML
- _map_issue_to_card, STATUS_COLORS/LABELS exportés

app/routers/api.py

@@ -7,10 +7,11 @@ from datetime import datetime
 from typing import Optional
 
 from fastapi import APIRouter, HTTPException, Query, Request
+from fastapi.responses import HTMLResponse
 
 from app.config import settings
 from app.db import get_conn
-from app.routers.board import _issue_column
+from app.routers.board import _issue_column, _map_issue_to_card, STATUS_COLORS, STATUS_LABELS
 from app.services.gitea_client import gitea
 
 logger = logging.getLogger(__name__)
@@ -379,8 +380,9 @@ async def update_issue_api(
 # ── v0.5.0: Card detail ──
 
 @router.get("/issues/{owner}/{repo}/{issue_id}")
-async def get_issue_detail(owner: str, repo: str, issue_id: int):
-    """Get full issue details + comments."""
+@router.get("/issues/{owner}/{repo}/{issue_id}/html")
+async def get_issue_detail(owner: str, repo: str, issue_id: int, format: str = Query(default="json")):
+    """Get full issue details + comments. Set format=html for HTML response."""
     try:
         issue = await gitea.get_issue(owner, repo, issue_id)
         comments = await gitea.get_issue_comments(owner, repo, issue_id)
@@ -417,6 +419,32 @@ async def get_issue_detail(owner: str, repo: str, issue_id: int):
             (board_id, issue_id),
         ).fetchone() if board_id else None
 
+    # HTML format for modal
+    if format == "html":
+        card_data = _map_issue_to_card(issue)
+        ctx = {
+            "issue": {
+                "id": issue_id,
+                "title": issue.get("title", ""),
+                "body": issue.get("body", ""),
+                "icon": card_data.get("icon", "📄"),
+                "author": issue.get("user", {}).get("login", "unknown") if issue.get("user") else "unknown",
+                "created": issue.get("created_at", "")[:10] if issue.get("created_at") else "",
+                "assignee": (issue.get("assignee") or {}).get("login", ""),
+                "due_date": issue.get("due_date", "") or "",
+                "status": card_data.get("status", "todo"),
+                "status_color": STATUS_COLORS.get(card_data.get("status", ""), "var(--gray)"),
+                "status_label": STATUS_LABELS.get(card_data.get("status", ""), "To-do"),
+                "labels": issue.get("labels", []),
+            },
+            "comments": comments,
+            "checklists": checklists,
+        }
+        from jinja2 import Environment, FileSystemLoader
+        env = Environment(loader=FileSystemLoader("app/templates"))
+        template = env.get_template("card_detail.html")
+        return HTMLResponse(template.render(**ctx))
+
     return {
         "issue": issue,
         "comments": comments,