fix(rollout): train safely on incomplete groups

.github/CODEOWNERS

@@ -5,21 +5,21 @@
 
 # Core package
 /areal/api/                     @garrett4wade @rchardx @sitabulaixizawaluduo
-/areal/engine/                  @rchardx @nuzant @garrett4wade @geshi001
-/areal/v2/inference_service/    @nuzant @guozhihao-224 @TaoZex
-/areal/v2/agent_service/        @CormickKneey @nuzant
-/areal/v2/training_service/     @sitabulaixizawaluduo @garrett4wade
+/areal/engine/                  @rchardx @nuzant @garrett4wade @geshi001 @sitabulaixizawaluduo
+/areal/v2/inference_service/    @nuzant @guozhihao-224 @TaoZex @sitabulaixizawaluduo
+/areal/v2/agent_service/        @CormickKneey @nuzant @sitabulaixizawaluduo
+/areal/v2/training_service/     @sitabulaixizawaluduo @garrett4wade @sitabulaixizawaluduo
 /areal/v2/weight_update/        @TaoZex @garrett4wade @sitabulaixizawaluduo
-/areal/infra/                   @HwVanICI @garrett4wade @guozhihao-224
-/areal/models/                  @rchardx @nuzant @geshi001 @PrometheusComing
-/areal/trainer/                 @garrett4wade @rchardx @fishcrap
+/areal/infra/                   @HwVanICI @garrett4wade @guozhihao-224 @sitabulaixizawaluduo
+/areal/models/                  @rchardx @nuzant @geshi001 @PrometheusComing @sitabulaixizawaluduo
+/areal/trainer/                 @garrett4wade @rchardx @fishcrap @sitabulaixizawaluduo
 
 # Tests & Examples
 /tests/                         @garrett4wade @sitabulaixizawaluduo
-/examples/                      @zhenanf @HwVanICI @CormickKneey @PrometheusComing
+/examples/                      @HwVanICI @CormickKneey @PrometheusComing @sitabulaixizawaluduo
 
 # Documentation
-/docs/                          @garrett4wade @nuzant
+/docs/                          @garrett4wade @nuzant @sitabulaixizawaluduo
 
 # CI/CD & infrastructure
 /.github/                       @garrett4wade @nuzant @sitabulaixizawaluduo

.gitignore

@@ -26,6 +26,12 @@ __pycache__/
 *$py.class
 trace_result/
 profile_result/
+profile_artifacts/
+profile_data/
+profile_inputs/
+traces-r*.jsonl
+traces-r*.chrome.json
+chrome_trace.png
 
 slurm_outs
 _data

Dockerfile

@@ -247,14 +247,15 @@ COPY --from=builder /opt/.venv /opt/.venv
 
 # Install Node.js via fnm and Claude Code
 ENV FNM_DIR=/root/.fnm
-ENV NODE_VERSION=24.13.0
+ENV NODE_VERSION=24.15.0
+ENV NPM_VERSION=12.0.2
 ENV PATH="$FNM_DIR/aliases/default/bin:/root/.local/bin:$PATH"
 RUN set -ex \
     && curl -fsSL https://fnm.vercel.app/install | bash -s -- --install-dir "$FNM_DIR" --skip-shell \
     && eval "$($FNM_DIR/fnm env --shell bash)" \
     && $FNM_DIR/fnm install $NODE_VERSION \
     && $FNM_DIR/fnm default $NODE_VERSION \
-    && npm install -g npm@latest \
+    && npm install -g "npm@$NPM_VERSION" \
     && npm install -g @openai/codex @google/gemini-cli openclaw@latest \
     && curl -fsSL https://claude.ai/install.sh | bash \
     && curl -fsSL https://opencode.ai/install | bash \

areal/api/alloc_mode.py

@@ -603,7 +603,8 @@ def gen_instance_size(self) -> int:
 
     inf_para: modern_inf_para
     modern_inf_para: INFER_BACKEND ("[" NAME "]")? ":" inf_dim+
-    train_para: train_backend_with_name | train_backend_hybrid | train_backend_only | train_name_only | train_dims_only | hybrid_moe_syntax
+    train_para: train_backend_name_hybrid | train_backend_with_name | train_backend_hybrid | train_backend_only | train_name_only | train_dims_only | hybrid_moe_syntax
+    train_backend_name_hybrid: TRAIN_BACKEND "[" NAME "]" ":" hybrid_moe_syntax
     train_backend_with_name: TRAIN_BACKEND "[" NAME "]" ":" common_dim+
     train_backend_hybrid: TRAIN_BACKEND ":" hybrid_moe_syntax
     train_backend_only: TRAIN_BACKEND ":" common_dim+
@@ -853,6 +854,19 @@ def train_backend_with_name(self, items):
             SchedulingStrategy(type=SchedulingStrategyType.separation, target=None),
         )
 
+    def train_backend_name_hybrid(self, items):
+        """Handle: TRAIN_BACKEND [ NAME ] : hybrid_moe_syntax"""
+        backend = str(items[0])
+        name = str(items[1])
+        strategy = items[2]  # ParallelStrategy from hybrid_moe_syntax
+
+        return self._build_model_allocation(
+            backend,
+            name,
+            strategy,
+            SchedulingStrategy(type=SchedulingStrategyType.separation, target=None),
+        )
+
     def train_backend_hybrid(self, items):
         """Handle: TRAIN_BACKEND : hybrid_moe_syntax"""
         backend = str(items[0])