Merge quick/build-ldflags-guard: build.sh ldflags + pre-commit anti-stale + uses_functions

app.md

@@ -60,6 +60,10 @@ uses_functions:
   - cdp_type_ref_go_browser
   - cdp_hover_ref_go_browser
   - cdp_click_xy_human_go_browser
+  - cdp_collect_console_go_browser
+  - cdp_print_pdf_go_browser
+  - cdp_select_option_go_browser
+  - cdp_set_file_input_go_browser
 uses_types: []
 framework: ""
 entry_point: "main.go"

build.sh

@@ -0,0 +1,17 @@
+#!/usr/bin/env bash
+# Compila browser_mcp inyectando la versión declarada en app.md como única fuente
+# de verdad. Evita el drift entre la constante del binario y app.md (bug 16/06/2026:
+# serverInfo reportaba 0.7.0 mientras app.md ya iba por 0.8.0).
+#
+# Uso: ./build.sh
+set -euo pipefail
+cd "$(dirname "$0")"
+
+version="$(grep -m1 '^version:' app.md | awk '{print $2}')"
+if [ -z "${version}" ]; then
+  echo "build.sh: no pude leer 'version:' de app.md" >&2
+  exit 1
+fi
+
+CGO_ENABLED=0 go build -ldflags "-X main.version=${version}" -o browser_mcp .
+echo "built browser_mcp version=${version}"

main.go

@@ -15,7 +15,11 @@ import (
 	"fn-registry/functions/browser"
 )
 
-const version = "0.8.0"
+// version is the server version reported in serverInfo. The literal here is a
+// fallback for `go build` with no flags; build.sh overrides it via
+// -ldflags "-X main.version=<app.md version>" so app.md stays the single source
+// of truth and the binary can never drift behind it (see build.sh).
+var version = "0.8.0"
 
 type config struct {
 	httpAddr string

scripts/install-hooks.sh

@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+# Instala los git hooks versionados de este repo en .git/hooks.
+set -euo pipefail
+cd "$(dirname "$0")/.."
+ln -sf ../../scripts/pre-commit .git/hooks/pre-commit
+echo "instalado .git/hooks/pre-commit -> scripts/pre-commit"

scripts/pre-commit

@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+# Anti-stale binary guard. El .mcp.json ejecuta el binario ./browser_mcp; si se
+# commitea un cambio en los .go sin recompilar, la sesión sirve código viejo
+# (bug 16/06/2026). Este hook recompila en cada commit. Instálalo con
+# scripts/install-hooks.sh.
+set -euo pipefail
+cd "$(git rev-parse --show-toplevel)"
+if ! ./build.sh >/tmp/browser_mcp_build.log 2>&1; then
+  echo "pre-commit: build.sh falló — commit abortado. Log:" >&2
+  cat /tmp/browser_mcp_build.log >&2
+  exit 1
+fi