Merge main into bb/gui.

Resolve merge conflicts while preserving bb/gui dashboard paths and STT provider support.

.env.example

@@ -14,6 +14,14 @@
 # LLM_MODEL is no longer read from .env — this line is kept for reference only.
 # LLM_MODEL=anthropic/claude-opus-4.6
 
+# =============================================================================
+# LLM PROVIDER (NovitaAI)
+# =============================================================================
+# NovitaAI — 90+ models, pay-per-use
+# Get your key at: https://novita.ai/settings/key-management
+# NOVITA_API_KEY=
+# NOVITA_BASE_URL=https://api.novita.ai/openai/v1  # Override default base URL
+
 # =============================================================================
 # LLM PROVIDER (Google AI Studio / Gemini)
 # =============================================================================
@@ -273,6 +281,13 @@ BROWSER_SESSION_TIMEOUT=300
 # Browser sessions are automatically closed after this period of no activity
 BROWSER_INACTIVITY_TIMEOUT=120
 
+# Extra Chromium launch flags passed to agent-browser, comma- or newline-separated.
+# Hermes auto-injects "--no-sandbox,--disable-dev-shm-usage" when it detects root
+# or AppArmor-restricted unprivileged user namespaces (Ubuntu 23.10+, DGX Spark,
+# many container images), so leave this unset unless you need extra flags.
+# Setting this disables the auto-injection.
+# AGENT_BROWSER_ARGS=--no-sandbox
+
 # Camofox local anti-detection browser (Camoufox-based Firefox).
 # Set CAMOFOX_URL to route the browser tools through a local Camofox server
 # instead of agent-browser/Browserbase. See docs/user-guide/features/browser.md.
@@ -379,24 +394,6 @@ IMAGE_TOOLS_DEBUG=false
 # CONTEXT_COMPRESSION_THRESHOLD=0.85      # Compress at 85% of context limit
 # Model is set via compression.summary_model in config.yaml (default: google/gemini-3-flash-preview)
 
-# =============================================================================
-# RL TRAINING (Tinker + Atropos)
-# =============================================================================
-# Run reinforcement learning training on language models using the Tinker API.
-# Requires the rl-server to be running (from tinker-atropos package).
-
-# Tinker API Key - RL training service
-# Get at: https://tinker-console.thinkingmachines.ai/keys
-# TINKER_API_KEY=
-
-# Weights & Biases API Key - Experiment tracking and metrics
-# Get at: https://wandb.ai/authorize
-# WANDB_API_KEY=
-
-# RL API Server URL (default: http://localhost:8080)
-# Change if running the rl-server on a different host/port
-# RL_API_URL=http://localhost:8080
-
 # =============================================================================
 # SKILLS HUB (GitHub integration for skill search/install/publish)
 # =============================================================================