adding OBS support

install.sh

@@ -219,6 +219,46 @@ else
     exit 1
   fi
 fi
+
+# obs-cmd (optional — required for OBS module)
+if command -v obs-cmd &>/dev/null; then
+  ok "obs-cmd found"
+else
+  info "obs-cmd not found (required for OBS Studio module)"
+  if prompt_yn "Install obs-cmd now?" "y"; then
+    OBS_CMD_VERSION=$(curl -sL "https://api.github.com/repos/grigio/obs-cmd/releases/latest" | grep '"tag_name"' | head -1 | sed 's/.*"v\(.*\)".*/\1/')
+    if [[ -z "$OBS_CMD_VERSION" ]]; then
+      warn "Could not fetch obs-cmd release — install manually: cargo install obs-cmd"
+    elif $IS_MAC; then
+      # Detect architecture — Apple Silicon vs Intel
+      ARCH="$(uname -m)"
+      if [[ "$ARCH" == "arm64" ]]; then
+        OBS_CMD_ASSET="obs-cmd-arm64-macos.tar.gz"
+      else
+        OBS_CMD_ASSET="obs-cmd-x64-macos.tar.gz"
+      fi
+      step "Downloading obs-cmd v${OBS_CMD_VERSION} (${ARCH})..."
+      curl -sL "https://github.com/grigio/obs-cmd/releases/download/v${OBS_CMD_VERSION}/${OBS_CMD_ASSET}" \
+        | tar xz -C /tmp
+      install -m 755 /tmp/obs-cmd /usr/local/bin/obs-cmd
+      rm -f /tmp/obs-cmd
+    else
+      # Linux — x86_64 musl static binary
+      step "Downloading obs-cmd v${OBS_CMD_VERSION}..."
+      curl -sL "https://github.com/grigio/obs-cmd/releases/download/v${OBS_CMD_VERSION}/obs-cmd-v${OBS_CMD_VERSION}-x86_64-unknown-linux-musl.tar.gz" \
+        | tar xz -C /tmp
+      sudo install -m 755 /tmp/obs-cmd /usr/local/bin/obs-cmd
+      rm -f /tmp/obs-cmd
+    fi
+    if command -v obs-cmd &>/dev/null; then
+      ok "obs-cmd installed"
+    else
+      warn "obs-cmd install may have failed — OBS module won't work until it's available"
+    fi
+  else
+    info "Skipped — OBS module will not work until obs-cmd is installed"
+  fi
+fi
 nl
 
 # ── 2. Build ───────────────────────────────────────────────────────────────────
@@ -328,6 +368,13 @@ else
   ok "config.yaml already exists — not overwritten"
 fi
 
+# Always install/update modules.yaml — this is a registry of available module
+# definitions, not user data. User customisations go in config.yaml (params
+# overrides per key). Keeping modules.yaml current ensures new modules (OBS,
+# Slack, etc.) are available immediately after upgrade.
+install -m 644 modules.example.yaml "${CONFIG_DIR}/modules.yaml"
+ok "modules.yaml installed (updated to latest)"
+
 # Copy bundled icons (never overwrite existing ones the user may have customised).
 if [[ -d "icons" ]]; then
   copied=0