fix(scripts): remove opencode binary requirement from build scripts

opencode is no longer bundled — detected via PATH at runtime instead

Author: kaizen403

scripts/build-app.sh

@@ -46,32 +46,7 @@ cd "$ROOT_DIR"
 # ── Step 1: Check binaries directory ─────────────────────────────
 step "Checking binaries directory..."
 mkdir -p "$BINARIES_DIR"
-
-# Check opencode binary
-case "$OS" in
-  Linux)  OPENCODE_BIN="$BINARIES_DIR/opencode-x86_64-unknown-linux-gnu" ;;
-  Darwin)
-    if [ "$ARCH" = "arm64" ]; then
-      OPENCODE_BIN="$BINARIES_DIR/opencode-aarch64-apple-darwin"
-    else
-      OPENCODE_BIN="$BINARIES_DIR/opencode-x86_64-apple-darwin"
-    fi
-    ;;
-  *) fail "Unsupported OS: $OS" ;;
-esac
-
-if [ ! -f "$OPENCODE_BIN" ]; then
-  warn "opencode binary not found at $OPENCODE_BIN"
-  if [ -f "$SCRIPT_DIR/download-opencode.sh" ]; then
-    step "Downloading opencode binary..."
-    bash "$SCRIPT_DIR/download-opencode.sh"
-    ok "opencode downloaded"
-  else
-    fail "No opencode binary and no download-opencode.sh. Add opencode to $BINARIES_DIR manually."
-  fi
-else
-  ok "opencode binary present"
-fi
+ok "opencode is detected via PATH at runtime (not bundled)"
 
 # ── Step 2: Build sidecar native binary ──────────────────────────
 if [ "$SKIP_SIDECAR" = true ]; then

scripts/build-sidecar.sh

@@ -114,24 +114,9 @@ case "$OS" in
 esac
 
 if [ -f "$OPENCODE_BIN" ]; then
-  echo "  - opencode binary already present, skipping download"
-elif [ "$SKIP_OPENCODE_DOWNLOAD" = "1" ]; then
-  echo "  - skipping opencode download (OPENLINEAR_SKIP_OPENCODE_DOWNLOAD=1)"
-elif [ -f "$SCRIPT_DIR/download-opencode.sh" ]; then
-  echo "==> Downloading opencode binary..."
-  if "$SCRIPT_DIR/download-opencode.sh"; then
-    echo "  - opencode binary downloaded"
-  else
-    echo "  ! failed to download opencode binary, continuing without a bundled copy"
-  fi
+  echo "  - opencode binary already present"
 else
-  echo "  ! opencode binary not found at $OPENCODE_BIN"
-  echo "    Get it from: https://github.com/anomalyco/opencode/releases"
-fi
-
-if [ ! -f "$OPENCODE_BIN" ]; then
-  echo "  ! opencode binary is required for desktop packaging" >&2
-  exit 1
+  echo "  - opencode not bundled (detected via PATH at runtime)"
 fi
 
 echo "==> Build complete!"