Update design for PR xai-org#415: Update run.py

Author: gauravagerwala

.exp/design-workflow-1-grok-1-inference-and-sampling.md

@@ -17,6 +17,7 @@ The workflow orchestrates model loading, compilation of sharded compute function
 - Defines Grok-1 hyperparameters via `LanguageModelConfig` and `TransformerConfig` (e.g., vocab_size=131072, sequence_len=8192, emb_size=6144, num_layers=64, num_q_heads=48, num_kv_heads=8, num_experts=8, num_selected_experts=2, widening_factor=8, key_size=128, shard_activations=True).
 - Instantiates `InferenceRunner` with `ModelRunner`, checkpoint_path=\"./checkpoints/\", tokenizer_path=\"./tokenizer.model\", mesh configs (local=(1,8) for 8 GPUs, between_hosts=(1,1)).
 - Calls `initialize()` and `run()` generator, demonstrates sampling via `sample_from_model(gen, prompt, max_len=100, temperature=0.01)` on example prompt.
+- **PR #415 Impact**: This PR [#415](https://github.com/xai-org/grok-1/pull/415) titled "Update run.py" appends ~444 lines of unrelated JavaScript/React/Three.js code for a VR experience called "LumoraCity". Features include French speech synthesis for AI messages, real-time microphone audio frequency data visualization as 3D spheres, Gematria value display, energy portal, and VR controls. This invalidates the Python file, causing SyntaxError on import/parse, preventing workflow execution. Core inference code intact; remove added code (starting from "import React..." after main()) to fix. PR description: "luméa" likely references the "Lumora" theme. Implications: Breaks entry point; no design enhancements to Grok-1 sampling.
 
 ### runners.py
 - **ModelRunner**: Configures model dtype (bfloat16), computes batch sizes from bs_per_device * devices * replicas, creates hybrid JAX mesh, defines/transforms Haiku forward functions for full pass and logits-only, applies partition rules for sharding, loads or inits params via checkpoint restore. Supports quantization and activation sharding.

pr-analysis-415.md

@@ -0,0 +1,61 @@
+# PR #415: Workflow Design Impact Analysis
+
+## Affected Workflows
+- **Workflow 1: Grok-1 Inference and Sampling**: The PR modifies \`run.py\`, listed as a key relevant file and entry point in \`.exp/workflows.json\` ("entry_point": "run.py or runners.InferenceRunner().run() generator"). Evidence: Changed files include \`run.py\`; commit ad07edd "Update run.py" adds unrelated code affecting executability.
+
+No other workflows impacted, as they lack reference to \`run.py\`.
+
+## Workflow 1 Analysis
+### Summary of design changes
+The PR [Update run.py](https://github.com/xai-org/grok-1/pull/415) appends ~444 lines of JavaScript code to \`run.py\`, implementing a browser-based VR/3D simulation "LumoraCity" using React, @react-three/fiber, Three.js, WebXR, SpeechSynthesis API (French), and Web Audio API for microphone input. Features: AI helper spheres with dynamic messages and voice output, floating Gematria displays (English alphabet numerology), energy portal torus, golden pathway spheres, and audio-reactive frequency spheres colored by HSL.
+
+**Affected design aspects:**
+- **Components**: \`run.py\` (RunPy participant) modified—core Python remains, but file now hybrid Python+JS, causing parse failure.
+- **Sequences/Flows**: Initialization fails at file parsing before reaching model config or runner creation. No changes to downstream steps (e.g., sharding, sampling).
+- **Interactions**: Introduces non-functional (in Python) elements; no integration with JAX/Haiku or inference logic.
+
+**Implementation:**
+- Added after Python main(): Full React component \`LumoraCity\` with useState for frequency data and AI messages, useEffect for audio analysis and speech, 3D scene with Canvas/XR, meshes, lights, controls.
+- Computes Gematria on messages; responds to voice volume with message changes (e.g., "Les vibrations sont fortes" if avg freq >100).
+- No Python adaptations; pure JS append breaks syntax.
+
+**Benefits/Implications:**
+- **Benefits**: None for workflow; added code could be a creative web VR art piece exploring themes of listening, energy, mysticism (Gematria, portals), possibly tying to "luméa" (light/world?). Standalone, requires npm setup.
+- **Implications**: Breaks workflow execution (SyntaxError on \`python run.py\`), halts inference/sampling. Increases file size, adds irrelevant deps/security (mic access). Suggest reject PR or extract JS to separate repo/file. To fix: Delete added lines.
+
+The **Initialization Sequence** diagram requires update to depict parse failure. No changes to **Inference and Sampling Sequence**.
+
+```mermaid
+flowchart TD
+    classDef addition fill:#90EE90,stroke:#333,stroke-width:4px
+    classDef pre fill:#D4EDDA
+    classDef change fill:#FFFF00,stroke:#333,stroke-width:4px
+    classDef removal fill:#FF9999,stroke:#333,stroke-width:4px
+    classDef defaultStyle fill:#E0E0E0,stroke:#333,stroke-width:2px
+
+    subgraph prepr ["Pre-PR: Original Initialization Sequence (Functional)"]
+        U[User] --> RP[run.py Execute main]
+        RP --> IR[Create InferenceRunner]
+        IR --> MR[ModelRunner initialize]
+        MR --> M[model.py Init]
+        M --> J[JAX Mesh & Sharding]
+        J --> C[Checkpoint Restore]
+        C --> I[Compile PJIT funcs]
+        I --> G[Start run generator]
+    end
+
+    subgraph postpr ["Post-PR: Modified with PR #415 (Broken)"]
+        U2[User] --> RP2[run.py - Modified w/ JS Addition Yellow]
+        class RP2 change
+        RP2 --> P[Python Parser Addition Green]
+        class P addition
+        P --> JS[LumoraCity JS Code Addition Green]
+        class JS addition
+        JS --> E[SyntaxError Red]
+        class E removal
+        E -->|Blocks All| U2
+    end
+
+    U -.->|Contrast| U2
+    prepr -.->|vs| postpr
+```