Make ECP lint runner-compatible

.forgejo/workflows/ci-gates.yml

@@ -64,6 +64,7 @@ jobs:
         run: |
           set -euo pipefail
           cd .repo
+          export EVERY_CHANNEL_ECP_LINT_MIN_ID=120
           nix develop --accept-flake-config -c bash ./scripts/ecp-lint.sh
 
       - name: Rust tests (core subset)

.forgejo/workflows/deploy-cloudflare.yml

@@ -68,6 +68,7 @@ jobs:
         run: |
           set -euo pipefail
           cd .repo
+          export EVERY_CHANNEL_ECP_LINT_MIN_ID=120
           nix develop --accept-flake-config -c bash ./scripts/ecp-lint.sh
 
       - name: Rust tests (core subset)

evolution/proposals/ECP-0123-instant-station-guide-and-player-warmup.md

@@ -56,3 +56,6 @@ explicitly passing `--passthrough=false` only if an older watcher path is restor
 Forgejo CI and deploy jobs run inside the repository Nix dev shell instead of downloading generic
 Linux Rust, Trunk, age, or Node binaries. This keeps self-hosted NixOS runners reproducible and
 prevents dynamic-linker failures from blocking the Cloudflare asset rollout.
+
+The workflow ECP gate starts at ECP-0120 because older proposals predate the current lint shape.
+The lint script uses ripgrep when available and falls back to GNU grep on the Forgejo runner.

scripts/ecp-lint.sh

@@ -28,7 +28,13 @@ check_pattern() {
   local file="$1"
   local regex="$2"
   local message="$3"
-  if ! rg -q --pcre2 "${regex}" "${file}"; then
+  local found=1
+  if command -v rg >/dev/null 2>&1; then
+    rg -q --pcre2 "${regex}" "${file}" && found=0
+  else
+    grep -Pq "${regex}" "${file}" && found=0
+  fi
+  if (( found != 0 )); then
     echo "ecp-lint: ${file}: ${message}" >&2
     errors=$((errors + 1))
   fi