feat(tapo-agent): add schedule/countdown timer API support

- Fork tapo crate to add missing schedule/timer APIs
- Add get_countdown_rules, get_schedule_rules, get_next_event methods
- New readings: countdown_active, countdown_remain, schedule_count,
  schedule_active_count, next_event_time
- Add local compilation to build script alongside cross-compilation
- Implement offline polling - device collection continues when server disconnects
- Add more device readings: on_time, signal_level, rssi, runtime_today/month, energy_month

Vendored tapo fork in tapo-fork/ with minimal changes to add schedule APIs.

agents/tapo/build-all.sh

@@ -114,11 +114,38 @@ declare -A TARGETS=(
 echo -e "${BLUE}Starting builds...${NC}"
 echo ""
 
+# ============================================
+# Local/Native Build
+# ============================================
+
+echo -e "${GREEN}Building for local/native target...${NC}"
+
+# Get host target
+HOST_TARGET=$(rustc -vV | grep host | cut -d' ' -f2)
+
+# Use separate target dir for local builds to avoid GLIBC conflicts with cross builds
+CARGO_TARGET_DIR=target-local cargo build --release -j $(nproc)
+
+# Copy binary to dist folder
+cp "target-local/release/tapo-agent" "dist/tapo-agent-local-${HOST_TARGET}"
+
+# Get binary size
+size=$(du -h "dist/tapo-agent-local-${HOST_TARGET}" | cut -f1)
+echo -e "  → ${GREEN}dist/tapo-agent-local-${HOST_TARGET}${NC} ($size)"
+echo ""
+
+# ============================================
+# Cross-Compilation Builds
+# ============================================
+
+echo -e "${BLUE}Starting cross-compilation builds...${NC}"
+echo ""
+
 for target in "${!TARGETS[@]}"; do
     name="${TARGETS[$target]}"
     echo -e "${GREEN}Building for $target ($name)...${NC}"
     
-    cross build --release --target "$target"
+    cross build --release --target "$target" -j $(nproc)
     
     # Copy binary to dist folder with descriptive name
     cp "target/$target/release/tapo-agent" "dist/tapo-agent-$name"