Feat/pcp qwen36 hybrid

vllm_fl/__init__.py

@@ -103,6 +103,11 @@ def register():
     from vllm_fl.patches.glm_moe_dsa import apply_platform_patches as glm5_platform
     glm5_platform()
 
+    # Qwen3.6 hybrid (GDN) + Prefill Context Parallel.  Self-gates on
+    # prefill_context_parallel_size > 1, so this is a no-op without PCP.
+    from vllm_fl.patches.qwen36_pcp import apply_platform_patches as qwen36_pcp_platform
+    qwen36_pcp_platform()
+
     # Note: FlagCX connector registration is deferred to register_model()
     # to avoid circular imports during VllmConfig.__post_init__ in spawned
     # subprocesses.
@@ -155,6 +160,18 @@ def register_model():
     except Exception as e:
         logger.error(f"Register GlmMoeDsa model error: {str(e)}")
 
+#feat/pcp-qwen36-hybrid
+    # Re-apply Qwen3.6 PCP patches here (general-plugins hook, runs in every
+    # worker via load_general_plugins() during init_worker, before the PCP
+    # attention-compat guard). The copy in register() fires during early
+    # platform detection when vllm.v1.* attention/model-runner classes are not
+    # yet importable, so those patches silently hit `except ImportError` and
+    # skip -> FlashAttentionImpl.supports_pcp never gets set. This late,
+    # idempotent call runs after vLLM is fully imported so the patches actually
+    # take effect.
+    from vllm_fl.patches.qwen36_pcp import apply_platform_patches as qwen36_pcp_platform
+    qwen36_pcp_platform()
+
     # Register DeepseekV4 model
     try:
         ModelRegistry.register_model(
@@ -173,3 +190,4 @@ def register_model():
         )
     except Exception as e:
         logger.error(f"Register DeepseekV4 model error: {str(e)}")
+ main