feat: add GET /docs/{path} proxy + browser panel prep

main.py

@@ -10,6 +10,7 @@ CG5a: POST /notify/webhook — push til Slack/Teams/Chat/Discord/etc.
 CG5b: POST /notify/email  — SendGrid digest til kunde-e-post.
 CG5c: POST /notify/sms    — Twilio SMS, Guard+-tier, spike-varsler.
 CG5-onboard: GET /onboard + POST /onboard/complete — klient-onboarding wizard.
+DOCS: GET /docs/{path} — proxy til privat GitHub-repo via ADC/PAT.
 """
 
 import os
@@ -146,6 +147,34 @@ if _static_dir.is_dir():
     app.mount("/static", StaticFiles(directory=str(_static_dir), html=True), name="static")
 
 
+# ── DOCS PROXY (MD-filer fra privat GitHub-repo) ──────────────────────────────
+_GH_REPO  = "vauco-saas/OSVauco"
+_GH_BRANCH = os.environ.get("DOCS_BRANCH", "main")
+
+@app.get("/docs/{path:path}")
+async def proxy_doc(path: str):
+    """
+    Henter vilkårlig fil fra privat GitHub-repo.
+    Bruker GITHUB_PAT env-var (Secret Manager → Cloud Run).
+    Fallback: forsøker uten auth (fungerer ikke for private repos, men feiler pent).
+    """
+    token = os.environ.get("GITHUB_PAT")
+    url = f"https://raw.githubusercontent.com/{_GH_REPO}/{_GH_BRANCH}/{path}"
+    headers = {"Authorization": f"token {token}"} if token else {}
+    try:
+        async with httpx.AsyncClient(timeout=10.0) as client:
+            resp = await client.get(url, headers=headers)
+    except httpx.TimeoutException:
+        raise HTTPException(status_code=504, detail="GitHub timeout")
+    if resp.status_code == 404:
+        raise HTTPException(status_code=404, detail=f"Fil ikke funnet: {path}")
+    if resp.status_code == 401:
+        raise HTTPException(status_code=503, detail="GitHub auth feilet — sjekk GITHUB_PAT i Secret Manager")
+    if resp.status_code != 200:
+        raise HTTPException(status_code=resp.status_code, detail="GitHub feil")
+    return Response(content=resp.text, media_type="text/plain; charset=utf-8")
+
+
 # ── MODELLER ──────────────────────────────────────────────────────────────────
 class RunRequest(BaseModel):
     message: str