--- title: "Gemma 2 Re-voicing: Compliance & Implementation Framework" description: "Licensing compliance, AI disclosure framework, modding policy, and operational safety architecture for Gemma 2 integration in the re-voicing dialogue system" type: architecture status: draft ticket: "" decision_refs: [] author: "Gemini" created: 2026-03-07 updated: 2026-03-07 --- # Gemma 2 Re-voicing: Compliance & Implementation Framework **Status:** Reference **Author:** Gemini (synthesizing a design sparring session with Jeroen) **Date:** 2026-03-07 **Related:** [proposed-llm-voice.md](proposed-llm-voice.md) --- ## 1. Overview This document outlines the compliance and operational framework for integrating Gemma 2 2B as a performance-tier stylistic layer for dynamic NPC dialogue. The core intent is a **"Closed-Loop"** system where the AI is the primary author of stylized content, directed by human-authored patterns and "Injector Clauses." --- ## 2. Commercial Licensing & Compliance Checklist Because Gemma 2 uses a custom **Gemma Terms of Use** rather than standard open-source licenses, the following obligations must be met for commercial offering: - **[ ] Attribution Requirement:** Include a clear notice in the game's legal/credits menu: *"Gemma is provided under and subject to the Gemma Terms of Use."* - **[ ] EULA Flow-Down:** Update the game's End User License Agreement (EULA) to include provisions at least as restrictive as the **Gemma Prohibited Use Policy**. - **[ ] Non-Deception Clause:** Ensure users are not misled into believing AI-generated text was human-authored. - **[ ] Asset Distribution:** If bundling model weights within the game installer, the full text of the Gemma Terms must be included in the distribution directory. - **[ ] Revenue/User Cap:** Confirm no special license is currently required, as there is no revenue ceiling for Gemma 2 commercial use. --- ## 3. AI Disclosure & Authorship Framework Given the game is fully AI-generated based on human-curated direction, the following disclosure model is established: - **Human Domain:** Architecture, gameplay mechanics, world-building principles, and "Injector" pattern design. - **AI Domain:** All dialogue (Claude/Gemma 2), visuals, and audio. - **Mandatory Public Notice:** > "This game was fully generated by AI based on carefully curated human-written direction prompts. The gameplay and patterns used to generate content are human-crafted, but all text is AI-generated by Claude (base game) and Gemma 2 (AI-voicing mode). All visuals and audio are AI-generated based on these world-building principles." --- ## 4. Operational Safety & Architecture (Closed-Loop) The "Re-voicing" pattern de-risks compliance by removing autonomous player prompting. - **Risk Mitigation:** The player has no direct input to the model; inputs are strictly controlled via the internal **Semantic Core** and **Injector System**. - **Injector Integrity:** We are responsible for ensuring that "Mood" or "Culture" injectors do not force the model to violate safety policies (e.g., generating hate speech or sexually explicit content). - **Sanitization:** Player-defined strings (like character names) must be sanitized before entering the background "Re-voicing" worker to prevent accidental prompt injection. --- ## 5. Modding Policy: LLM Boundary By restricting "AI-Enhanced Dialogue" to the base game, the biggest legal and technical loophole in the architecture is closed while maintaining total control over Gemma 2 compliance obligations. ### The "Pseudo-Dynamic" Compromise Mods can tap into **Step 1 (Semantic Core)** generation without access to **Step 2 (The Re-voicing LLM)**: - **Modder's Workflow:** Modders write standard, functional "Semantic Lines." - **The Hybrid System:** If a modded NPC is in a "Vanilla" location, the system can pull from a pre-cached library of "Cultural Injectors" that have already been safely pre-generated. - **The Result:** The modder doesn't get to prompt the LLM, but their characters can still use high-quality, pre-verified "Van Maanen's Star" or "Ruthless" voice templates. ### AI Dialogue & Modding Policy (EULA) > **Availability:** AI-Enhanced Re-voicing is a premium, curated feature reserved for official game content. > > **Restriction:** To ensure compliance with AI safety and licensing terms (Gemma Terms of Use), the LLM inference engine is not exposed to third-party modded scripts. > > **Fallback:** Modded content will automatically utilize the high-performance, template-based dialogue system, ensuring universal compatibility and safety. --- ## 6. A/B Prompt Spike Stress-Test Checklist As we move into the technical validation phase (comparing Gemma 2 2B vs. Phi-3-mini), the spike must evaluate: - **[ ] Safety Floor:** Do either model's internal filters refuse to process dark fantasy themes or combat logs? - **[ ] Stylistic Adherence:** How reliably do "Injector Clauses" (e.g., `[Bold]`, `[Van Maanen's Star Culture]`) shift the output of the 2B model? - **[ ] Hardware Overhead:** Measured CPU/RAM impact of the background worker thread on target consumer hardware. - **[ ] Non-LLM Fallback:** Verification that the "Re-voicing" layer can be toggled OFF without breaking game state. --- ## 7. Summary - **Compliance:** Clear to sell the game without royalties, provided the mandatory Gemma 2 Attribution and AI Disclosure notice are included. - **Architecture:** The "Re-voicing" model solves performance and authorial control issues by treating character voice as an i18n localization task. - **Governance:** By "Closed-Looping" the system and excluding mods from LLM access, 90% of legal liability regarding prohibited content is eliminated. - **Hardware:** The optional toggle and background queue ensure that even players on low-end hardware have a 100% functional (if less "flavored") experience.