diff --git a/scripts/ci-plan.mjs b/scripts/ci-plan.mjs
index 8070dc90..440ee000 100644
--- a/scripts/ci-plan.mjs
+++ b/scripts/ci-plan.mjs
@@ -1,16 +1,159 @@
 #!/usr/bin/env node
-import { createCiPlan } from "./src/ci-plan-lib.mjs";
+import { execFileSync } from "node:child_process";
 
 const args = parseArgs(process.argv.slice(2));
 
+const noDepsGitOpsOnlyPaths = Object.freeze([
+  "deploy/gitops/",
+  "deploy/frp/",
+  "scripts/ci-plan.mjs",
+  "scripts/gitops-render.mjs",
+  "scripts/src/runtime-lane.ts",
+  "tsconfig.gitops.json"
+]);
+
+const noDepsDocsOnlyPaths = Object.freeze([
+  "docs/",
+  "README.md",
+  "AGENTS.md"
+]);
+
 if (args.help) {
   process.stdout.write(`${usage()}\n`);
   process.exit(0);
 }
 
+const noDepsPlan = tryCreateNoDepsPlan(args);
+if (noDepsPlan) {
+  process.stdout.write(args.pretty ? `${JSON.stringify(noDepsPlan, null, 2)}\n` : `${JSON.stringify(noDepsPlan)}\n`);
+  process.exit(0);
+}
+
+const { createCiPlan } = await import("./src/ci-plan-lib.mjs");
 const plan = await createCiPlan(args);
 process.stdout.write(args.pretty ? `${JSON.stringify(plan, null, 2)}\n` : `${JSON.stringify(plan)}\n`);
 
+function tryCreateNoDepsPlan(options) {
+  const services = Array.isArray(options.services) ? options.services.filter(Boolean) : [];
+  if (services.length === 0) return null;
+  const targetRef = options.targetRef ?? "HEAD";
+  const baseRef = options.baseRef ?? (gitValue(["rev-parse", `${targetRef}^`]) || targetRef);
+  const changedPaths = gitValue(["diff", "--name-only", baseRef, targetRef]).split("\n").map((line) => line.trim()).filter(Boolean);
+  const summary = classifyNoDepsGlobalChange(changedPaths);
+  if (!summary.gitopsOnly && !summary.docsOnly && !summary.testOnly && summary.summary !== "no-source-diff") return null;
+  const sourceCommitId = gitValue(["rev-parse", targetRef]);
+  const shortCommitId = gitValue(["rev-parse", "--short=7", targetRef]);
+  return {
+    planVersion: "v1",
+    sourceCommitId,
+    shortCommitId,
+    baseRef,
+    targetRef,
+    compatibility: {
+      deployConfig: options.deployConfigPath ?? "deploy/deploy.yaml",
+      artifactCatalog: options.artifactCatalogPath ?? null,
+      lane: options.lane ?? "v02",
+      ciContractSource: "scripts/ci-plan.mjs",
+      mode: "no-deps-global-change-fast-path",
+      currentRenderCompatible: true,
+      plannerMutatesDeployJson: false,
+      serviceIdSource: "cli-services",
+      defaultComponentLazyBuild: true,
+      envReuseCodeOnlyFastLane: true,
+      fullBuildFallback: false
+    },
+    inputs: {
+      registryPrefix: options.registryPrefix ?? process.env.HWLAB_DEV_REGISTRY_PREFIX ?? process.env.HWLAB_DEV_REGISTRY ?? "127.0.0.1:5000/hwlab",
+      serviceCount: services.length,
+      verifyReuseRegistry: options.verifyReuseRegistry ?? booleanEnv(process.env.HWLAB_CI_PLAN_VERIFY_REUSE_REGISTRY)
+    },
+    changedPaths,
+    changedPathSummary: summary,
+    imageBuildRequired: false,
+    affectedServices: [],
+    rolloutServices: [],
+    buildServices: [],
+    reusedServices: services,
+    buildSkippedCount: services.length,
+    services: services.map((serviceId) => ({
+      serviceId,
+      affected: false,
+      buildRequired: false,
+      skipImageBuild: true,
+      runtimeMode: "env-reuse-git-mirror-checkout",
+      envReuse: true,
+      envChanged: false,
+      codeChanged: false,
+      reason: [summary.summary === "no-source-diff" ? "no-source-diff" : `${summary.summary}-no-image-build`]
+    })),
+    ciCdPlan: {
+      willBuild: [],
+      willRollout: [],
+      willReuse: services,
+      willRunGitopsPromote: summary.gitopsOnly,
+      noImageBuildReason: summary.summary
+    }
+  };
+}
+
+function classifyNoDepsGlobalChange(changedPaths) {
+  const relevant = changedPaths.filter(Boolean);
+  const testOnly = relevant.length > 0 && relevant.every(isNoDepsTestOnlyPath);
+  const docsOnly = relevant.length > 0 && relevant.every((item) => isNoDepsDocsOnlyPath(item) || isNoDepsTestOnlyPath(item));
+  const gitopsOnly = relevant.length > 0 && relevant.every((item) => isNoDepsGitOpsOnlyPath(item) || isNoDepsDocsOnlyPath(item) || isNoDepsTestOnlyPath(item));
+  return {
+    count: relevant.length,
+    testOnly,
+    docsOnly,
+    gitopsOnly,
+    summary: relevant.length === 0
+      ? "no-source-diff"
+      : testOnly
+        ? "test-only-change"
+        : docsOnly
+          ? "docs-only-change"
+          : gitopsOnly
+            ? "gitops-only-change"
+            : "runtime-or-build-change"
+  };
+}
+
+function isNoDepsGitOpsOnlyPath(filePath) {
+  return noDepsGitOpsOnlyPaths.some((pattern) => pathMatches(pattern, filePath));
+}
+
+function isNoDepsDocsOnlyPath(filePath) {
+  const normalized = normalizeRepoPath(filePath);
+  if (normalized.startsWith("internal/agent/prompts/")) return false;
+  if (normalized.startsWith("skills/")) return false;
+  return noDepsDocsOnlyPaths.some((pattern) => pathMatches(pattern, normalized)) || normalized.endsWith(".md");
+}
+
+function isNoDepsTestOnlyPath(filePath) {
+  const normalized = normalizeRepoPath(filePath);
+  return /\.test\.(mjs|ts)$/u.test(normalized) || normalized.includes("/__tests__/") || normalized.includes("/fixtures/");
+}
+
+function pathMatches(pattern, filePath) {
+  const normalizedPattern = normalizeRepoPath(pattern);
+  const normalizedFilePath = normalizeRepoPath(filePath);
+  if (!normalizedPattern || !normalizedFilePath) return false;
+  if (normalizedPattern.endsWith("/")) return normalizedFilePath.startsWith(normalizedPattern);
+  return normalizedFilePath === normalizedPattern;
+}
+
+function normalizeRepoPath(value) {
+  return String(value ?? "").replaceAll("\\", "/").replace(/^\.\//u, "").replace(/^\/+/, "").trim();
+}
+
+function gitValue(args) {
+  return execFileSync("git", args, { encoding: "utf8", stdio: ["ignore", "pipe", "pipe"], timeout: 15000 }).trim();
+}
+
+function booleanEnv(value) {
+  return ["1", "true", "yes", "on"].includes(String(value ?? "").trim().toLowerCase());
+}
+
 function parseArgs(argv) {
   const parsed = { pretty: false };
   for (let index = 0; index < argv.length; index += 1) {