chore(demos): add .venv auto-activation to wrapper scripts

Made-with: Cursor

Author: jmjava

docs/demos/compose.sh

@@ -11,4 +11,7 @@
 set -euo pipefail
 
 DEMOS_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+if [ -f "$DEMOS_DIR/.venv/bin/activate" ]; then
+    source "$DEMOS_DIR/.venv/bin/activate"
+fi
 exec docgen --config "$DEMOS_DIR/docgen.yaml" compose "$@"

docs/demos/generate-all.sh

@@ -23,7 +23,9 @@
 set -euo pipefail
 
 DEMOS_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
-export PATH="${HOME}/.local/bin:${PATH}"
+if [ -f "$DEMOS_DIR/.venv/bin/activate" ]; then
+    source "$DEMOS_DIR/.venv/bin/activate"
+fi
 
 # Parse --dry-run specially (docgen generate-all doesn't have it)
 DRY_RUN=false

docs/demos/rebuild-after-audio.sh

@@ -10,6 +10,9 @@
 set -euo pipefail
 
 DEMOS_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+if [ -f "$DEMOS_DIR/.venv/bin/activate" ]; then
+    source "$DEMOS_DIR/.venv/bin/activate"
+fi
 echo "═══ Rebuild after audio (Manim + VHS + compose + validate + concat) ═══"
 echo "    (skipping TTS — using existing audio/*.mp3)"
 echo ""

docs/demos/regenerate-m12-2.sh

@@ -7,6 +7,9 @@
 set -euo pipefail
 
 DEMOS_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+if [ -f "$DEMOS_DIR/.venv/bin/activate" ]; then
+    source "$DEMOS_DIR/.venv/bin/activate"
+fi
 CFG="$DEMOS_DIR/docgen.yaml"
 
 echo "==> TTS narration (12, 13, 14)…"

docs/demos/validate-composed-demos.sh

@@ -9,4 +9,7 @@
 set -euo pipefail
 
 DEMOS_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+if [ -f "$DEMOS_DIR/.venv/bin/activate" ]; then
+    source "$DEMOS_DIR/.venv/bin/activate"
+fi
 exec docgen --config "$DEMOS_DIR/docgen.yaml" validate --pre-push