diff --git a/app/pages/0_Setup.py b/app/pages/0_Setup.py
index 637c468..a31bf4b 100644
--- a/app/pages/0_Setup.py
+++ b/app/pages/0_Setup.py
@@ -40,7 +40,15 @@ def _save_yaml(updates: dict) -> None:
 
 
 def _detect_gpus() -> list[str]:
+    """Detect GPUs. Prefers env vars written by preflight (works inside Docker)."""
+    import os
     import subprocess
+    # Preflight writes PEREGRINE_GPU_NAMES to .env; compose passes it to the container.
+    # This is the reliable path when running inside Docker without nvidia-smi access.
+    env_names = os.environ.get("PEREGRINE_GPU_NAMES", "").strip()
+    if env_names:
+        return [n.strip() for n in env_names.split(",") if n.strip()]
+    # Fallback: try nvidia-smi directly (works when running bare or with GPU passthrough)
     try:
         out = subprocess.check_output(
             ["nvidia-smi", "--query-gpu=name", "--format=csv,noheader"],
@@ -52,6 +60,11 @@ def _detect_gpus() -> list[str]:
 
 
 def _suggest_profile(gpus: list[str]) -> str:
+    import os
+    # If preflight already ran and wrote a profile recommendation, use it.
+    recommended = os.environ.get("RECOMMENDED_PROFILE", "").strip()
+    if recommended:
+        return recommended
     if len(gpus) >= 2:
         return "dual-gpu"
     if len(gpus) == 1:
diff --git a/compose.yml b/compose.yml
index d2b7b08..b262cdb 100644
--- a/compose.yml
+++ b/compose.yml
@@ -16,6 +16,9 @@ services:
       - ANTHROPIC_API_KEY=${ANTHROPIC_API_KEY:-}
       - OPENAI_COMPAT_URL=${OPENAI_COMPAT_URL:-}
       - OPENAI_COMPAT_KEY=${OPENAI_COMPAT_KEY:-}
+      - PEREGRINE_GPU_COUNT=${PEREGRINE_GPU_COUNT:-0}
+      - PEREGRINE_GPU_NAMES=${PEREGRINE_GPU_NAMES:-}
+      - RECOMMENDED_PROFILE=${RECOMMENDED_PROFILE:-remote}
     depends_on:
       searxng:
         condition: service_healthy
diff --git a/requirements.txt b/requirements.txt
index 30b7078..cbb703f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -45,6 +45,7 @@ notion-client>=3.0
 # ── Document handling ─────────────────────────────────────────────────────
 pypdf
 pdfminer-six
+pdfplumber
 pyyaml>=6.0
 python-dotenv
 
diff --git a/scripts/preflight.py b/scripts/preflight.py
index 7687474..08c5dc7 100644
--- a/scripts/preflight.py
+++ b/scripts/preflight.py
@@ -423,6 +423,9 @@ def main() -> None:
         env_updates["RECOMMENDED_PROFILE"] = profile
         if offload_gb > 0:
             env_updates["CPU_OFFLOAD_GB"] = str(offload_gb)
+        # GPU info for the app container (which lacks nvidia-smi access)
+        env_updates["PEREGRINE_GPU_COUNT"] = str(len(gpus))
+        env_updates["PEREGRINE_GPU_NAMES"] = ",".join(g["name"] for g in gpus)
         write_env(env_updates)
         update_llm_yaml(ports)
         write_compose_override(ports)