Fix tools visibility - revert to v0.1.6 authentication approach

- Disable issuer validation in BearerAuthProvider (issuer=None)
- Simplify authentication condition (remove auth_enabled check)
- Revert CORS middleware to simple configuration
- Fix OAuth metadata endpoint to match v0.1.6
- Apply conditional auth only to MCP server creation

Critical fixes for Claude AI tools discovery

saidsurucu-yargi-mcp-f5fa007/Dockerfile

@@ -0,0 +1,29 @@
+# -------- BASE IMAGE (includes Chromium & deps) ----------------------------
+FROM mcr.microsoft.com/playwright/python:v1.53.0-noble
+
+# -------- Runtime setup ----------------------------------------------------
+WORKDIR /app
+
+# Copy dependency manifests first for layer-cache
+COPY pyproject.toml poetry.lock* requirements*.txt* ./
+
+# Fast, deterministic install with `uv`
+RUN pip install --no-cache-dir uv && \
+    uv pip install --system --no-cache-dir .[asgi,saas]
+
+# Copy application source
+COPY . .
+
+# -------- Environment ------------------------------------------------------
+ENV PYTHONUNBUFFERED=1
+ENV ENABLE_AUTH=true
+ENV PORT=8000
+
+# -------- Health check -----------------------------------------------------
+HEALTHCHECK --interval=30s --timeout=10s --start-period=10s --retries=3 \
+  CMD python -c "import httpx, os, sys; r=httpx.get(f'http://localhost:{os.getenv(\"PORT\",\"8000\")}/health'); sys.exit(0 if r.status_code==200 else 1)"
+
+EXPOSE 8000
+
+# -------- Entrypoint -------------------------------------------------------
+CMD ["uvicorn", "asgi_app:app", "--host", "0.0.0.0", "--port", "8000", "--proxy-headers"]