feat(ai): auto-fix package checks after source edits

.opencode/plugins/fix-on-package-source-edit.ts

@@ -0,0 +1,45 @@
+import type { Plugin } from "@opencode-ai/plugin"
+
+const SOURCE_EXTENSIONS = [".lua", ".json"]
+
+function isSourcePath(value: unknown) {
+  return typeof value === "string" && SOURCE_EXTENSIONS.some((extension) => value.endsWith(extension))
+}
+
+function patchTouchesSource(value: unknown) {
+  if (typeof value !== "string") return false
+  for (const line of value.split("\n")) {
+    if (!line.startsWith("*** Update File: ") && !line.startsWith("*** Add File: ")) continue
+    if (isSourcePath(line.slice(line.indexOf(": ") + 2).trim())) return true
+  }
+  return false
+}
+
+function toolTouchesSource(args: Record<string, unknown>) {
+  return (
+    isSourcePath(args.filePath) ||
+    isSourcePath(args.path) ||
+    isSourcePath(args.target) ||
+    patchTouchesSource(args.patchText) ||
+    patchTouchesSource(args.patch)
+  )
+}
+
+export const FixOnPackageSourceEdit: Plugin = async ({ $ }) => {
+  let running = false
+
+  return {
+    "tool.execute.after": async (_input, output) => {
+      if (running) return
+      const args = output.args
+      if (!args || typeof args !== "object" || !toolTouchesSource(args as Record<string, unknown>)) return
+
+      running = true
+      try {
+        await $`just fix`
+      } finally {
+        running = false
+      }
+    },
+  }
+}

just/check.just

@@ -3,6 +3,10 @@ check: check-luacheck check-lychee npm-check
     luacheck --quiet .
     @just lint-markdown
 
+# Auto-fix package version bumps derived from changed package files.
+fix:
+    @just check-packages --fix
+
 # Validate package descriptors and require version bumps for changed package files.
 check-packages *args: check-jq
     #!/usr/bin/env bash