feat(ai): commandes @/ & skills, analyse d'images et capacites des modeles (#81)

backend/skills_routes.py

@@ -0,0 +1,98 @@
+"""API routes for AI assistant skills & slash-commands (``/api/ai/skills``)."""
+
+from __future__ import annotations
+
+import logging
+from typing import Any
+
+from fastapi import APIRouter, Depends, HTTPException
+from pydantic import BaseModel, Field
+
+from backend.auth.middleware import require_auth
+from backend.skills import (
+    create_user_skill,
+    delete_user_skill,
+    list_skills,
+)
+
+logger = logging.getLogger("obsigate.skills_routes")
+router = APIRouter(prefix="/api/ai/skills", tags=["AI"])
+
+
+class SkillModel(BaseModel):
+    """A single skill or admin command."""
+
+    model_config = {"extra": "allow"}
+
+    id: str
+    label: str
+    icon: str = "🧩"
+    type: str = Field(default="skill", description="'skill' or 'admin'")
+    description: str = ""
+    prompt: str | None = None
+    usage: str | None = None
+    special: str | None = None
+    custom: bool = False
+
+
+class SkillsResponse(BaseModel):
+    """Response for ``GET /api/ai/skills``."""
+
+    skills: list[SkillModel]
+    commands: list[SkillModel]
+
+
+class CreateSkillRequest(BaseModel):
+    """Body for ``POST /api/ai/skills``."""
+
+    id: str = Field(description="Stable identifier (a-z, 0-9, '-', '_')")
+    label: str = Field(description="Display name")
+    prompt: str = Field(description="Instruction injected into the system prompt")
+    description: str = ""
+    icon: str = "🧩"
+
+
+class DeleteSkillResponse(BaseModel):
+    """Response for ``DELETE /api/ai/skills/{skill_id}``."""
+
+    status: str = "deleted"
+    id: str
+
+
+@router.get("", response_model=SkillsResponse)
+async def api_list_skills(current_user=Depends(require_auth)):
+    """List built-in skills, admin commands and the user's custom skills."""
+    data = list_skills(current_user)
+    return data
+
+
+@router.post("", response_model=SkillModel)
+async def api_create_skill(body: CreateSkillRequest, current_user=Depends(require_auth)):
+    """Create a custom skill for the current user."""
+    try:
+        skill = create_user_skill(current_user, body.model_dump())
+    except ValueError as exc:
+        raise HTTPException(status_code=400, detail=str(exc)) from exc
+    return skill
+
+
+@router.delete("/{skill_id}", response_model=DeleteSkillResponse)
+async def api_delete_skill(skill_id: str, current_user=Depends(require_auth)):
+    """Delete a custom skill owned by the current user."""
+    removed = delete_user_skill(current_user, skill_id)
+    if not removed:
+        raise HTTPException(status_code=404, detail="Skill introuvable")
+    return {"status": "deleted", "id": skill_id}
+
+
+# Expose the resolved prompt of a skill (used by tests / clients that only
+# need the instruction text without fetching the whole list).
+@router.get("/{skill_id}/prompt")
+async def api_skill_prompt(skill_id: str, current_user=Depends(require_auth)) -> dict[str, Any]:
+    """Return the prompt text for a given skill id."""
+    from backend.skills import get_skill_prompt
+
+    prompt = get_skill_prompt(skill_id, current_user)
+    if prompt is None:
+        raise HTTPException(status_code=404, detail="Skill introuvable")
+    return {"id": skill_id, "prompt": prompt}