diff --git a/package.json b/package.json
index 28488c0b8c6..d1ef289e04e 100644
--- a/package.json
+++ b/package.json
@@ -1248,6 +1248,9 @@
     "test:startup:bench:update": "node scripts/test-update-cli-startup-bench.mjs",
     "test:startup:memory": "node scripts/check-cli-startup-memory.mjs",
     "test:ui": "pnpm ui:i18n:check && pnpm lint:ui:no-raw-window-open && pnpm --dir ui test",
+    "test:unit": "pnpm test:unit:fast && node scripts/run-vitest.mjs run --config vitest.unit.config.ts",
+    "test:unit:fast": "node scripts/run-vitest.mjs run --config vitest.unit-fast.config.ts",
+    "test:unit:fast:audit": "node scripts/test-unit-fast-audit.mjs",
     "test:voicecall:closedloop": "node scripts/test-voicecall-closedloop.mjs",
     "test:watch": "node scripts/test-projects.mjs --watch",
     "tool-display:check": "node --import tsx scripts/tool-display.ts --check",
diff --git a/scripts/test-projects.test-support.mjs b/scripts/test-projects.test-support.mjs
index b8bcf3b8be6..8665670c56a 100644
--- a/scripts/test-projects.test-support.mjs
+++ b/scripts/test-projects.test-support.mjs
@@ -27,6 +27,7 @@ import {
   resolvePluginSdkLightIncludePattern,
 } from "../vitest.plugin-sdk-paths.mjs";
 import { fullSuiteVitestShards } from "../vitest.test-shards.mjs";
+import { resolveUnitFastTestIncludePattern } from "../vitest.unit-fast-paths.mjs";
 import { isBoundaryTestFile, isBundledPluginDependentUnitTestFile } from "../vitest.unit-paths.mjs";
 import { resolveVitestCliEntry, resolveVitestNodeArgs } from "./run-vitest.mjs";
 
@@ -70,6 +71,7 @@ const LOGGING_VITEST_CONFIG = "vitest.logging.config.ts";
 const PLUGIN_SDK_LIGHT_VITEST_CONFIG = "vitest.plugin-sdk-light.config.ts";
 const PLUGIN_SDK_VITEST_CONFIG = "vitest.plugin-sdk.config.ts";
 const PLUGINS_VITEST_CONFIG = "vitest.plugins.config.ts";
+const UNIT_FAST_VITEST_CONFIG = "vitest.unit-fast.config.ts";
 const PROCESS_VITEST_CONFIG = "vitest.process.config.ts";
 const RUNTIME_CONFIG_VITEST_CONFIG = "vitest.runtime-config.config.ts";
 const SECRETS_VITEST_CONFIG = "vitest.secrets.config.ts";
@@ -82,6 +84,58 @@ const UTILS_VITEST_CONFIG = "vitest.utils.config.ts";
 const WIZARD_VITEST_CONFIG = "vitest.wizard.config.ts";
 const INCLUDE_FILE_ENV_KEY = "OPENCLAW_VITEST_INCLUDE_FILE";
 const CHANGED_ARGS_PATTERN = /^--changed(?:=(.+))?$/u;
+const VITEST_CONFIG_BY_KIND = {
+  acp: ACP_VITEST_CONFIG,
+  agent: AGENTS_VITEST_CONFIG,
+  autoReply: AUTO_REPLY_VITEST_CONFIG,
+  boundary: BOUNDARY_VITEST_CONFIG,
+  bundled: BUNDLED_VITEST_CONFIG,
+  channel: CHANNEL_VITEST_CONFIG,
+  cli: CLI_VITEST_CONFIG,
+  command: COMMANDS_VITEST_CONFIG,
+  commandLight: COMMANDS_LIGHT_VITEST_CONFIG,
+  contracts: CONTRACTS_VITEST_CONFIG,
+  cron: CRON_VITEST_CONFIG,
+  daemon: DAEMON_VITEST_CONFIG,
+  e2e: E2E_VITEST_CONFIG,
+  extension: EXTENSIONS_VITEST_CONFIG,
+  extensionAcpx: EXTENSION_ACPX_VITEST_CONFIG,
+  extensionBlueBubbles: EXTENSION_BLUEBUBBLES_VITEST_CONFIG,
+  extensionChannel: EXTENSION_CHANNELS_VITEST_CONFIG,
+  extensionDiffs: EXTENSION_DIFFS_VITEST_CONFIG,
+  extensionFeishu: EXTENSION_FEISHU_VITEST_CONFIG,
+  extensionIrc: EXTENSION_IRC_VITEST_CONFIG,
+  extensionMatrix: EXTENSION_MATRIX_VITEST_CONFIG,
+  extensionMattermost: EXTENSION_MATTERMOST_VITEST_CONFIG,
+  extensionMemory: EXTENSION_MEMORY_VITEST_CONFIG,
+  extensionMessaging: EXTENSION_MESSAGING_VITEST_CONFIG,
+  extensionMsTeams: EXTENSION_MSTEAMS_VITEST_CONFIG,
+  extensionProvider: EXTENSION_PROVIDERS_VITEST_CONFIG,
+  extensionTelegram: EXTENSION_TELEGRAM_VITEST_CONFIG,
+  extensionVoiceCall: EXTENSION_VOICE_CALL_VITEST_CONFIG,
+  extensionWhatsApp: EXTENSION_WHATSAPP_VITEST_CONFIG,
+  extensionZalo: EXTENSION_ZALO_VITEST_CONFIG,
+  gateway: GATEWAY_VITEST_CONFIG,
+  hooks: HOOKS_VITEST_CONFIG,
+  infra: INFRA_VITEST_CONFIG,
+  logging: LOGGING_VITEST_CONFIG,
+  media: MEDIA_VITEST_CONFIG,
+  mediaUnderstanding: MEDIA_UNDERSTANDING_VITEST_CONFIG,
+  plugin: PLUGINS_VITEST_CONFIG,
+  pluginSdk: PLUGIN_SDK_VITEST_CONFIG,
+  pluginSdkLight: PLUGIN_SDK_LIGHT_VITEST_CONFIG,
+  process: PROCESS_VITEST_CONFIG,
+  unitFast: UNIT_FAST_VITEST_CONFIG,
+  runtimeConfig: RUNTIME_CONFIG_VITEST_CONFIG,
+  secrets: SECRETS_VITEST_CONFIG,
+  sharedCore: SHARED_CORE_VITEST_CONFIG,
+  tasks: TASKS_VITEST_CONFIG,
+  tooling: TOOLING_VITEST_CONFIG,
+  tui: TUI_VITEST_CONFIG,
+  ui: UI_VITEST_CONFIG,
+  utils: UTILS_VITEST_CONFIG,
+  wizard: WIZARD_VITEST_CONFIG,
+};
 const BROAD_CHANGED_RERUN_PATTERNS = [
   /^package\.json$/u,
   /^pnpm-lock\.yaml$/u,
@@ -221,6 +275,9 @@ export function resolveChangedTargetArgs(
 
 function classifyTarget(arg, cwd) {
   const relative = toRepoRelativeTarget(arg, cwd);
+  if (resolveUnitFastTestIncludePattern(relative)) {
+    return "unitFast";
+  }
   if (relative.endsWith(".e2e.test.ts")) {
     return "e2e";
   }
@@ -376,6 +433,10 @@ function classifyTarget(arg, cwd) {
 
 function resolveLightLaneIncludePatterns(kind, targetArg, cwd) {
   const relative = toRepoRelativeTarget(targetArg, cwd);
+  if (kind === "unitFast") {
+    const includePattern = resolveUnitFastTestIncludePattern(relative);
+    return includePattern ? [includePattern] : null;
+  }
   if (kind === "pluginSdkLight") {
     const includePattern = resolvePluginSdkLightIncludePattern(relative);
     return includePattern ? [includePattern] : null;
@@ -459,6 +520,7 @@ export function buildVitestRunPlans(
 
   const nonTargetArgs = activeForwardedArgs.filter((arg) => !activeTargetArgs.includes(arg));
   const orderedKinds = [
+    "unitFast",
     "default",
     "boundary",
     "tooling",
@@ -516,122 +578,7 @@ export function buildVitestRunPlans(
     if (!grouped || grouped.length === 0) {
       continue;
     }
-    const config =
-      kind === "boundary"
-        ? BOUNDARY_VITEST_CONFIG
-        : kind === "tooling"
-          ? TOOLING_VITEST_CONFIG
-          : kind === "contracts"
-            ? CONTRACTS_VITEST_CONFIG
-            : kind === "bundled"
-              ? BUNDLED_VITEST_CONFIG
-              : kind === "gateway"
-                ? GATEWAY_VITEST_CONFIG
-                : kind === "hooks"
-                  ? HOOKS_VITEST_CONFIG
-                  : kind === "infra"
-                    ? INFRA_VITEST_CONFIG
-                    : kind === "runtimeConfig"
-                      ? RUNTIME_CONFIG_VITEST_CONFIG
-                      : kind === "cron"
-                        ? CRON_VITEST_CONFIG
-                        : kind === "daemon"
-                          ? DAEMON_VITEST_CONFIG
-                          : kind === "media"
-                            ? MEDIA_VITEST_CONFIG
-                            : kind === "logging"
-                              ? LOGGING_VITEST_CONFIG
-                              : kind === "pluginSdkLight"
-                                ? PLUGIN_SDK_LIGHT_VITEST_CONFIG
-                                : kind === "pluginSdk"
-                                  ? PLUGIN_SDK_VITEST_CONFIG
-                                  : kind === "process"
-                                    ? PROCESS_VITEST_CONFIG
-                                    : kind === "secrets"
-                                      ? SECRETS_VITEST_CONFIG
-                                      : kind === "sharedCore"
-                                        ? SHARED_CORE_VITEST_CONFIG
-                                        : kind === "tasks"
-                                          ? TASKS_VITEST_CONFIG
-                                          : kind === "tui"
-                                            ? TUI_VITEST_CONFIG
-                                            : kind === "mediaUnderstanding"
-                                              ? MEDIA_UNDERSTANDING_VITEST_CONFIG
-                                              : kind === "acp"
-                                                ? ACP_VITEST_CONFIG
-                                                : kind === "cli"
-                                                  ? CLI_VITEST_CONFIG
-                                                  : kind === "commandLight"
-                                                    ? COMMANDS_LIGHT_VITEST_CONFIG
-                                                    : kind === "command"
-                                                      ? COMMANDS_VITEST_CONFIG
-                                                      : kind === "autoReply"
-                                                        ? AUTO_REPLY_VITEST_CONFIG
-                                                        : kind === "agent"
-                                                          ? AGENTS_VITEST_CONFIG
-                                                          : kind === "plugin"
-                                                            ? PLUGINS_VITEST_CONFIG
-                                                            : kind === "ui"
-                                                              ? UI_VITEST_CONFIG
-                                                              : kind === "utils"
-                                                                ? UTILS_VITEST_CONFIG
-                                                                : kind === "wizard"
-                                                                  ? WIZARD_VITEST_CONFIG
-                                                                  : kind === "e2e"
-                                                                    ? E2E_VITEST_CONFIG
-                                                                    : kind === "extensionAcpx"
-                                                                      ? EXTENSION_ACPX_VITEST_CONFIG
-                                                                      : kind === "extensionDiffs"
-                                                                        ? EXTENSION_DIFFS_VITEST_CONFIG
-                                                                        : kind ===
-                                                                            "extensionBlueBubbles"
-                                                                          ? EXTENSION_BLUEBUBBLES_VITEST_CONFIG
-                                                                          : kind ===
-                                                                              "extensionFeishu"
-                                                                            ? EXTENSION_FEISHU_VITEST_CONFIG
-                                                                            : kind ===
-                                                                                "extensionIrc"
-                                                                              ? EXTENSION_IRC_VITEST_CONFIG
-                                                                              : kind ===
-                                                                                  "extensionMattermost"
-                                                                                ? EXTENSION_MATTERMOST_VITEST_CONFIG
-                                                                                : kind ===
-                                                                                    "extensionChannel"
-                                                                                  ? EXTENSION_CHANNELS_VITEST_CONFIG
-                                                                                  : kind ===
-                                                                                      "extensionTelegram"
-                                                                                    ? EXTENSION_TELEGRAM_VITEST_CONFIG
-                                                                                    : kind ===
-                                                                                        "extensionVoiceCall"
-                                                                                      ? EXTENSION_VOICE_CALL_VITEST_CONFIG
-                                                                                      : kind ===
-                                                                                          "extensionWhatsApp"
-                                                                                        ? EXTENSION_WHATSAPP_VITEST_CONFIG
-                                                                                        : kind ===
-                                                                                            "extensionZalo"
-                                                                                          ? EXTENSION_ZALO_VITEST_CONFIG
-                                                                                          : kind ===
-                                                                                              "extensionMatrix"
-                                                                                            ? EXTENSION_MATRIX_VITEST_CONFIG
-                                                                                            : kind ===
-                                                                                                "extensionMemory"
-                                                                                              ? EXTENSION_MEMORY_VITEST_CONFIG
-                                                                                              : kind ===
-                                                                                                  "extensionMsTeams"
-                                                                                                ? EXTENSION_MSTEAMS_VITEST_CONFIG
-                                                                                                : kind ===
-                                                                                                    "extensionMessaging"
-                                                                                                  ? EXTENSION_MESSAGING_VITEST_CONFIG
-                                                                                                  : kind ===
-                                                                                                      "extensionProvider"
-                                                                                                    ? EXTENSION_PROVIDERS_VITEST_CONFIG
-                                                                                                    : kind ===
-                                                                                                        "channel"
-                                                                                                      ? CHANNEL_VITEST_CONFIG
-                                                                                                      : kind ===
-                                                                                                          "extension"
-                                                                                                        ? EXTENSIONS_VITEST_CONFIG
-                                                                                                        : DEFAULT_VITEST_CONFIG;
+    const config = VITEST_CONFIG_BY_KIND[kind] ?? DEFAULT_VITEST_CONFIG;
     const useCliTargetArgs =
       kind === "e2e" ||
       (kind === "default" &&
diff --git a/scripts/test-unit-fast-audit.mjs b/scripts/test-unit-fast-audit.mjs
new file mode 100644
index 00000000000..a7390115d4a
--- /dev/null
+++ b/scripts/test-unit-fast-audit.mjs
@@ -0,0 +1,60 @@
+import {
+  collectBroadUnitFastTestCandidates,
+  collectUnitFastTestFileAnalysis,
+  collectUnitFastTestCandidates,
+  unitFastTestFiles,
+} from "../vitest.unit-fast-paths.mjs";
+
+const args = new Set(process.argv.slice(2));
+const json = args.has("--json");
+const scope = args.has("--broad") ? "broad" : "current";
+
+const analysis = collectUnitFastTestFileAnalysis(process.cwd(), { scope });
+const rejected = analysis.filter((entry) => !entry.unitFast);
+const reasonCounts = new Map();
+const candidateCount =
+  scope === "broad"
+    ? collectBroadUnitFastTestCandidates(process.cwd()).length
+    : collectUnitFastTestCandidates(process.cwd()).length;
+const unitFastCount = analysis.filter((entry) => entry.unitFast).length;
+
+for (const entry of rejected) {
+  for (const reason of entry.reasons) {
+    reasonCounts.set(reason, (reasonCounts.get(reason) ?? 0) + 1);
+  }
+}
+
+if (json) {
+  console.log(
+    JSON.stringify(
+      {
+        candidates: candidateCount,
+        unitFast: unitFastCount,
+        routed: unitFastTestFiles.length,
+        rejected: rejected.length,
+        reasonCounts: Object.fromEntries(
+          [...reasonCounts.entries()].toSorted(([a], [b]) => a.localeCompare(b)),
+        ),
+        scope,
+        files: analysis,
+      },
+      null,
+      2,
+    ),
+  );
+  process.exit(0);
+}
+
+console.log(
+  [
+    `[test-unit-fast-audit] scope=${scope} candidates=${analysis.length} unitFast=${unitFastCount} routed=${unitFastTestFiles.length} rejected=${rejected.length}`,
+    scope === "broad"
+      ? `[test-unit-fast-audit] broad unit-fast candidates are not routed automatically`
+      : "",
+    "",
+    "Rejected reasons:",
+    ...[...reasonCounts.entries()]
+      .toSorted((a, b) => b[1] - a[1] || a[0].localeCompare(b[0]))
+      .map(([reason, count]) => `  ${String(count).padStart(4, " ")} ${reason}`),
+  ].join("\n"),
+);
diff --git a/src/infra/vitest-config.test.ts b/src/infra/vitest-config.test.ts
index fa73313e2a3..d9d61040130 100644
--- a/src/infra/vitest-config.test.ts
+++ b/src/infra/vitest-config.test.ts
@@ -226,6 +226,13 @@ describe("test scripts", () => {
     expect(pkg.scripts?.["test:fast"]).toBe(
       "node scripts/run-vitest.mjs run --config vitest.unit.config.ts",
     );
+    expect(pkg.scripts?.["test:unit"]).toBe(
+      "pnpm test:unit:fast && node scripts/run-vitest.mjs run --config vitest.unit.config.ts",
+    );
+    expect(pkg.scripts?.["test:unit:fast"]).toBe(
+      "node scripts/run-vitest.mjs run --config vitest.unit-fast.config.ts",
+    );
+    expect(pkg.scripts?.["test:unit:fast:audit"]).toBe("node scripts/test-unit-fast-audit.mjs");
     expect(pkg.scripts?.["test"]).toBe("node scripts/test-projects.mjs");
     expect(pkg.scripts?.["test:gateway"]).toBe(
       "node scripts/run-vitest.mjs run --config vitest.gateway.config.ts",
diff --git a/src/scripts/test-projects.test.ts b/src/scripts/test-projects.test.ts
index 3a6c3e0f1b8..463e9838c9b 100644
--- a/src/scripts/test-projects.test.ts
+++ b/src/scripts/test-projects.test.ts
@@ -163,33 +163,44 @@ describe("test-projects args", () => {
   });
 
   it("routes daemon targets to the daemon config", () => {
-    expect(buildVitestRunPlans(["src/daemon/constants.test.ts"])).toEqual([
+    expect(buildVitestRunPlans(["src/daemon/inspect.test.ts"])).toEqual([
       {
         config: "vitest.daemon.config.ts",
         forwardedArgs: [],
-        includePatterns: ["src/daemon/constants.test.ts"],
+        includePatterns: ["src/daemon/inspect.test.ts"],
         watchMode: false,
       },
     ]);
   });
 
   it("routes media targets to the media config", () => {
-    expect(buildVitestRunPlans(["src/media/mime.test.ts"])).toEqual([
+    expect(buildVitestRunPlans(["src/media/fetch.test.ts"])).toEqual([
       {
         config: "vitest.media.config.ts",
         forwardedArgs: [],
-        includePatterns: ["src/media/mime.test.ts"],
+        includePatterns: ["src/media/fetch.test.ts"],
         watchMode: false,
       },
     ]);
   });
 
   it("routes plugin-sdk targets to the plugin-sdk config", () => {
-    expect(buildVitestRunPlans(["src/plugin-sdk/provider-stream.test.ts"])).toEqual([
+    expect(buildVitestRunPlans(["src/plugin-sdk/anthropic-vertex-auth-presence.test.ts"])).toEqual([
       {
         config: "vitest.plugin-sdk.config.ts",
         forwardedArgs: [],
-        includePatterns: ["src/plugin-sdk/provider-stream.test.ts"],
+        includePatterns: ["src/plugin-sdk/anthropic-vertex-auth-presence.test.ts"],
+        watchMode: false,
+      },
+    ]);
+  });
+
+  it("routes unit-fast light targets to the cache-friendly unit-fast config", () => {
+    expect(buildVitestRunPlans(["src/plugin-sdk/provider-entry.test.ts"])).toEqual([
+      {
+        config: "vitest.unit-fast.config.ts",
+        forwardedArgs: [],
+        includePatterns: ["src/plugin-sdk/provider-entry.test.ts"],
         watchMode: false,
       },
     ]);
@@ -217,10 +228,10 @@ describe("test-projects args", () => {
     ]);
   });
 
-  it("routes shared-core targets to the shared-core config", () => {
+  it("routes unit-fast shared-core targets to the unit-fast config", () => {
     expect(buildVitestRunPlans(["src/shared/text-chunking.test.ts"])).toEqual([
       {
-        config: "vitest.shared-core.config.ts",
+        config: "vitest.unit-fast.config.ts",
         forwardedArgs: [],
         includePatterns: ["src/shared/text-chunking.test.ts"],
         watchMode: false,
@@ -240,11 +251,11 @@ describe("test-projects args", () => {
   });
 
   it("routes logging targets to the logging config", () => {
-    expect(buildVitestRunPlans(["src/logging/load-levels.test.ts"])).toEqual([
+    expect(buildVitestRunPlans(["src/logging/console-settings.test.ts"])).toEqual([
       {
         config: "vitest.logging.config.ts",
         forwardedArgs: [],
-        includePatterns: ["src/logging/load-levels.test.ts"],
+        includePatterns: ["src/logging/console-settings.test.ts"],
         watchMode: false,
       },
     ]);
@@ -339,11 +350,11 @@ describe("test-projects args", () => {
   });
 
   it("routes channel targets to the channels config", () => {
-    expect(buildVitestRunPlans(["src/channels/ids.test.ts"])).toEqual([
+    expect(buildVitestRunPlans(["src/channels/session.test.ts"])).toEqual([
       {
         config: "vitest.channels.config.ts",
         forwardedArgs: [],
-        includePatterns: ["src/channels/ids.test.ts"],
+        includePatterns: ["src/channels/session.test.ts"],
         watchMode: false,
       },
     ]);
diff --git a/test/scripts/test-projects.test.ts b/test/scripts/test-projects.test.ts
index f473bcca69f..d10d1b4e82f 100644
--- a/test/scripts/test-projects.test.ts
+++ b/test/scripts/test-projects.test.ts
@@ -55,9 +55,9 @@ describe("scripts/test-projects changed-target routing", () => {
 
     expect(plans).toEqual([
       {
-        config: "vitest.shared-core.config.ts",
+        config: "vitest.unit-fast.config.ts",
         forwardedArgs: [],
-        includePatterns: ["src/shared/**/*.test.ts"],
+        includePatterns: ["src/shared/string-normalization.test.ts"],
         watchMode: false,
       },
       {
@@ -83,13 +83,29 @@ describe("scripts/test-projects changed-target routing", () => {
   });
 
   it("routes explicit commands light tests to the lighter commands lane", () => {
-    const plans = buildVitestRunPlans(["src/commands/cleanup-utils.test.ts"], process.cwd());
+    const plans = buildVitestRunPlans(["src/commands/status-json-runtime.test.ts"], process.cwd());
 
     expect(plans).toEqual([
       {
         config: "vitest.commands-light.config.ts",
         forwardedArgs: [],
-        includePatterns: ["src/commands/cleanup-utils.test.ts"],
+        includePatterns: ["src/commands/status-json-runtime.test.ts"],
+        watchMode: false,
+      },
+    ]);
+  });
+
+  it("routes unit-fast light tests to the cache-friendly unit-fast lane", () => {
+    const plans = buildVitestRunPlans(
+      ["src/commands/status-overview-values.test.ts"],
+      process.cwd(),
+    );
+
+    expect(plans).toEqual([
+      {
+        config: "vitest.unit-fast.config.ts",
+        forwardedArgs: [],
+        includePatterns: ["src/commands/status-overview-values.test.ts"],
         watchMode: false,
       },
     ]);
@@ -97,14 +113,14 @@ describe("scripts/test-projects changed-target routing", () => {
 
   it("routes changed plugin-sdk source allowlist files to sibling light tests", () => {
     const plans = buildVitestRunPlans(["--changed", "origin/main"], process.cwd(), () => [
-      "src/plugin-sdk/lazy-value.ts",
+      "src/plugin-sdk/provider-entry.ts",
     ]);
 
     expect(plans).toEqual([
       {
-        config: "vitest.plugin-sdk-light.config.ts",
+        config: "vitest.unit-fast.config.ts",
         forwardedArgs: [],
-        includePatterns: ["src/plugin-sdk/lazy-value.test.ts"],
+        includePatterns: ["src/plugin-sdk/provider-entry.test.ts"],
         watchMode: false,
       },
     ]);
@@ -118,7 +134,7 @@ describe("scripts/test-projects changed-target routing", () => {
 
     expect(plans).toEqual([
       {
-        config: "vitest.commands-light.config.ts",
+        config: "vitest.unit-fast.config.ts",
         forwardedArgs: [],
         includePatterns: [
           "src/commands/status-overview-values.test.ts",
@@ -163,6 +179,12 @@ describe("scripts/test-projects changed-target routing", () => {
 describe("scripts/test-projects full-suite sharding", () => {
   it("splits untargeted runs into fixed shard configs", () => {
     expect(buildFullSuiteVitestRunPlans([], process.cwd())).toEqual([
+      {
+        config: "vitest.full-core-unit-fast.config.ts",
+        forwardedArgs: [],
+        includePatterns: null,
+        watchMode: false,
+      },
       {
         config: "vitest.full-core-unit-src.config.ts",
         forwardedArgs: [],
diff --git a/test/vitest-projects-config.test.ts b/test/vitest-projects-config.test.ts
index fe85007fbe5..677718605db 100644
--- a/test/vitest-projects-config.test.ts
+++ b/test/vitest-projects-config.test.ts
@@ -8,6 +8,7 @@ import { createContractsVitestConfig } from "../vitest.contracts.config.ts";
 import { createGatewayVitestConfig } from "../vitest.gateway.config.ts";
 import { createPluginSdkLightVitestConfig } from "../vitest.plugin-sdk-light.config.ts";
 import { createUiVitestConfig } from "../vitest.ui.config.ts";
+import { createUnitFastVitestConfig } from "../vitest.unit-fast.config.ts";
 import { createUnitVitestConfig } from "../vitest.unit.config.ts";
 
 describe("projects vitest config", () => {
@@ -21,6 +22,7 @@ describe("projects vitest config", () => {
     expect(createCommandsLightVitestConfig().test.pool).toBe("threads");
     expect(createCommandsVitestConfig().test.pool).toBe("threads");
     expect(createPluginSdkLightVitestConfig().test.pool).toBe("threads");
+    expect(createUnitFastVitestConfig().test.pool).toBe("threads");
     expect(createContractsVitestConfig().test.pool).toBe("threads");
   });
 
@@ -46,6 +48,12 @@ describe("projects vitest config", () => {
     expect(config.test.runner).toBe("./test/non-isolated-runner.ts");
   });
 
+  it("keeps the unit-fast lane on shared workers without the reset-heavy runner", () => {
+    const config = createUnitFastVitestConfig();
+    expect(config.test.isolate).toBe(false);
+    expect(config.test.runner).toBeUndefined();
+  });
+
   it("keeps the bundled lane on thread workers with the non-isolated runner", () => {
     expect(bundledConfig.test?.pool).toBe("threads");
     expect(bundledConfig.test?.isolate).toBe(false);
diff --git a/test/vitest-unit-fast-config.test.ts b/test/vitest-unit-fast-config.test.ts
new file mode 100644
index 00000000000..e984626fc35
--- /dev/null
+++ b/test/vitest-unit-fast-config.test.ts
@@ -0,0 +1,65 @@
+import { describe, expect, it } from "vitest";
+import { createCommandsLightVitestConfig } from "../vitest.commands-light.config.ts";
+import { createPluginSdkLightVitestConfig } from "../vitest.plugin-sdk-light.config.ts";
+import {
+  classifyUnitFastTestFileContent,
+  collectBroadUnitFastTestCandidates,
+  collectUnitFastTestCandidates,
+  collectUnitFastTestFileAnalysis,
+  isUnitFastTestFile,
+  unitFastTestFiles,
+  resolveUnitFastTestIncludePattern,
+} from "../vitest.unit-fast-paths.mjs";
+import { createUnitFastVitestConfig } from "../vitest.unit-fast.config.ts";
+
+describe("unit-fast vitest lane", () => {
+  it("runs cache-friendly tests without the reset-heavy runner or runtime setup", () => {
+    const config = createUnitFastVitestConfig({});
+
+    expect(config.test?.isolate).toBe(false);
+    expect(config.test?.runner).toBeUndefined();
+    expect(config.test?.setupFiles).toEqual([]);
+    expect(config.test?.include).toContain("src/plugin-sdk/provider-entry.test.ts");
+    expect(config.test?.include).toContain("src/commands/status-overview-values.test.ts");
+  });
+
+  it("keeps obvious stateful files out of the unit-fast lane", () => {
+    expect(isUnitFastTestFile("src/plugin-sdk/temp-path.test.ts")).toBe(false);
+    expect(resolveUnitFastTestIncludePattern("src/plugin-sdk/temp-path.ts")).toBeNull();
+    expect(classifyUnitFastTestFileContent("vi.resetModules(); await import('./x.js')")).toEqual([
+      "module-mocking",
+      "vitest-mock-api",
+      "dynamic-import",
+    ]);
+  });
+
+  it("routes unit-fast source files to their unit-fast sibling tests", () => {
+    expect(resolveUnitFastTestIncludePattern("src/plugin-sdk/provider-entry.ts")).toBe(
+      "src/plugin-sdk/provider-entry.test.ts",
+    );
+    expect(resolveUnitFastTestIncludePattern("src/commands/status-overview-values.ts")).toBe(
+      "src/commands/status-overview-values.test.ts",
+    );
+  });
+
+  it("keeps broad audit candidates separate from automatically routed unit-fast tests", () => {
+    const currentCandidates = collectUnitFastTestCandidates();
+    const broadCandidates = collectBroadUnitFastTestCandidates();
+    const broadAnalysis = collectUnitFastTestFileAnalysis(process.cwd(), { scope: "broad" });
+
+    expect(currentCandidates.length).toBeGreaterThanOrEqual(unitFastTestFiles.length);
+    expect(broadCandidates.length).toBeGreaterThan(currentCandidates.length);
+    expect(broadAnalysis.filter((entry) => entry.unitFast).length).toBeGreaterThan(
+      unitFastTestFiles.length,
+    );
+  });
+
+  it("excludes unit-fast files from the older light lanes so full runs do not duplicate them", () => {
+    const pluginSdkLight = createPluginSdkLightVitestConfig({});
+    const commandsLight = createCommandsLightVitestConfig({});
+
+    expect(unitFastTestFiles).toContain("src/plugin-sdk/provider-entry.test.ts");
+    expect(pluginSdkLight.test?.exclude).toContain("plugin-sdk/provider-entry.test.ts");
+    expect(commandsLight.test?.exclude).toContain("status-overview-values.test.ts");
+  });
+});
diff --git a/vitest.commands-light.config.ts b/vitest.commands-light.config.ts
index 9a02de62bf4..82cef3b2223 100644
--- a/vitest.commands-light.config.ts
+++ b/vitest.commands-light.config.ts
@@ -1,10 +1,12 @@
 import { commandsLightTestFiles } from "./vitest.commands-light-paths.mjs";
 import { createScopedVitestConfig } from "./vitest.scoped-config.ts";
+import { unitFastTestFiles } from "./vitest.unit-fast-paths.mjs";
 
 export function createCommandsLightVitestConfig(env?: Record<string, string | undefined>) {
   return createScopedVitestConfig(commandsLightTestFiles, {
     dir: "src/commands",
     env,
+    exclude: unitFastTestFiles,
     includeOpenClawRuntimeSetup: false,
     name: "commands-light",
     passWithNoTests: true,
diff --git a/vitest.config.ts b/vitest.config.ts
index c4e9715cd0b..5e4a302dad4 100644
--- a/vitest.config.ts
+++ b/vitest.config.ts
@@ -26,6 +26,7 @@ export const rootVitestProjects = [
   "vitest.agents.config.ts",
   "vitest.daemon.config.ts",
   "vitest.media.config.ts",
+  "vitest.unit-fast.config.ts",
   "vitest.plugin-sdk-light.config.ts",
   "vitest.plugin-sdk.config.ts",
   "vitest.plugins.config.ts",
diff --git a/vitest.full-core-unit-fast.config.ts b/vitest.full-core-unit-fast.config.ts
new file mode 100644
index 00000000000..1ed50bfc366
--- /dev/null
+++ b/vitest.full-core-unit-fast.config.ts
@@ -0,0 +1,11 @@
+import { defineConfig } from "vitest/config";
+import { sharedVitestConfig } from "./vitest.shared.config.ts";
+
+export default defineConfig({
+  ...sharedVitestConfig,
+  test: {
+    ...sharedVitestConfig.test,
+    runner: undefined,
+    projects: ["vitest.unit-fast.config.ts"],
+  },
+});
diff --git a/vitest.plugin-sdk-light.config.ts b/vitest.plugin-sdk-light.config.ts
index e6d497328c1..90fe7f830d0 100644
--- a/vitest.plugin-sdk-light.config.ts
+++ b/vitest.plugin-sdk-light.config.ts
@@ -1,10 +1,12 @@
 import { pluginSdkLightTestFiles } from "./vitest.plugin-sdk-paths.mjs";
 import { createScopedVitestConfig } from "./vitest.scoped-config.ts";
+import { unitFastTestFiles } from "./vitest.unit-fast-paths.mjs";
 
 export function createPluginSdkLightVitestConfig(env?: Record<string, string | undefined>) {
   return createScopedVitestConfig(pluginSdkLightTestFiles, {
     dir: "src",
     env,
+    exclude: unitFastTestFiles,
     includeOpenClawRuntimeSetup: false,
     name: "plugin-sdk-light",
     passWithNoTests: true,
diff --git a/vitest.scoped-config.ts b/vitest.scoped-config.ts
index 463a8cec358..1a0c6f06253 100644
--- a/vitest.scoped-config.ts
+++ b/vitest.scoped-config.ts
@@ -1,6 +1,7 @@
 import { defineConfig } from "vitest/config";
 import { loadPatternListFromEnv, narrowIncludePatternsForCli } from "./vitest.pattern-file.ts";
 import { sharedVitestConfig } from "./vitest.shared.config.ts";
+import { unitFastTestFiles } from "./vitest.unit-fast-paths.mjs";
 
 function normalizePathPattern(value: string): string {
   return value.replaceAll("\\", "/");
@@ -59,7 +60,7 @@ export function createScopedVitestConfig(
   const includeFromEnv = loadPatternListFromEnv("OPENCLAW_VITEST_INCLUDE_FILE", env);
   const cliInclude = narrowIncludePatternsForCli(include, options?.argv);
   const exclude = relativizeScopedPatterns(
-    [...(baseTest.exclude ?? []), ...(options?.exclude ?? [])],
+    [...(baseTest.exclude ?? []), ...unitFastTestFiles, ...(options?.exclude ?? [])],
     scopedDir,
   );
   const isolate = options?.isolate ?? resolveVitestIsolation(options?.env);
diff --git a/vitest.shared-core.config.ts b/vitest.shared-core.config.ts
index 84afa7a4501..b60a787e54a 100644
--- a/vitest.shared-core.config.ts
+++ b/vitest.shared-core.config.ts
@@ -1,9 +1,11 @@
 import { createScopedVitestConfig } from "./vitest.scoped-config.ts";
+import { unitFastTestFiles } from "./vitest.unit-fast-paths.mjs";
 
 export function createSharedCoreVitestConfig(env?: Record<string, string | undefined>) {
   return createScopedVitestConfig(["src/shared/**/*.test.ts"], {
     dir: "src",
     env,
+    exclude: unitFastTestFiles,
     includeOpenClawRuntimeSetup: false,
     name: "shared-core",
     passWithNoTests: true,
diff --git a/vitest.shared.config.ts b/vitest.shared.config.ts
index ce82f4d56b0..2c359667af3 100644
--- a/vitest.shared.config.ts
+++ b/vitest.shared.config.ts
@@ -256,6 +256,8 @@ export const sharedVitestConfig = {
       "vitest.media.config.ts",
       "vitest.media-understanding.config.ts",
       "vitest.performance-config.ts",
+      "vitest.unit-fast.config.ts",
+      "vitest.unit-fast-paths.mjs",
       "vitest.scoped-config.ts",
       "vitest.shared-core.config.ts",
       "vitest.shared.config.ts",
diff --git a/vitest.test-shards.mjs b/vitest.test-shards.mjs
index 0b7a7298490..7af04748efe 100644
--- a/vitest.test-shards.mjs
+++ b/vitest.test-shards.mjs
@@ -7,6 +7,11 @@ export const autoReplyTopLevelReplyTestInclude = ["src/auto-reply/reply*.test.ts
 export const autoReplyReplySubtreeTestInclude = ["src/auto-reply/reply/**/*.test.ts"];
 
 export const fullSuiteVitestShards = [
+  {
+    config: "vitest.full-core-unit-fast.config.ts",
+    name: "core-unit-fast",
+    projects: ["vitest.unit-fast.config.ts"],
+  },
   {
     config: "vitest.full-core-unit-src.config.ts",
     name: "core-unit-src",
diff --git a/vitest.unit-fast-paths.mjs b/vitest.unit-fast-paths.mjs
new file mode 100644
index 00000000000..9a0e3872c58
--- /dev/null
+++ b/vitest.unit-fast-paths.mjs
@@ -0,0 +1,231 @@
+import fs from "node:fs";
+import path from "node:path";
+import {
+  commandsLightSourceFiles,
+  commandsLightTestFiles,
+} from "./vitest.commands-light-paths.mjs";
+import { pluginSdkLightSourceFiles, pluginSdkLightTestFiles } from "./vitest.plugin-sdk-paths.mjs";
+
+const normalizeRepoPath = (value) => value.replaceAll("\\", "/");
+
+const unitFastCandidateGlobs = [
+  "packages/memory-host-sdk/**/*.test.ts",
+  "packages/plugin-package-contract/**/*.test.ts",
+  "src/acp/**/*.test.ts",
+  "src/bootstrap/**/*.test.ts",
+  "src/channels/**/*.test.ts",
+  "src/cli/**/*.test.ts",
+  "src/config/**/*.test.ts",
+  "src/daemon/**/*.test.ts",
+  "src/i18n/**/*.test.ts",
+  "src/hooks/**/*.test.ts",
+  "src/image-generation/**/*.test.ts",
+  "src/infra/**/*.test.ts",
+  "src/interactive/**/*.test.ts",
+  "src/link-understanding/**/*.test.ts",
+  "src/logging/**/*.test.ts",
+  "src/markdown/**/*.test.ts",
+  "src/media/**/*.test.ts",
+  "src/media-generation/**/*.test.ts",
+  "src/media-understanding/**/*.test.ts",
+  "src/memory-host-sdk/**/*.test.ts",
+  "src/music-generation/**/*.test.ts",
+  "src/node-host/**/*.test.ts",
+  "src/plugin-sdk/**/*.test.ts",
+  "src/poll-params.test.ts",
+  "src/polls.test.ts",
+  "src/process/**/*.test.ts",
+  "src/routing/**/*.test.ts",
+  "src/sessions/**/*.test.ts",
+  "src/shared/**/*.test.ts",
+  "src/terminal/**/*.test.ts",
+  "src/test-utils/**/*.test.ts",
+  "src/tasks/**/*.test.ts",
+  "src/tts/**/*.test.ts",
+  "src/utils/**/*.test.ts",
+  "src/video-generation/**/*.test.ts",
+  "src/wizard/**/*.test.ts",
+  "test/**/*.test.ts",
+];
+const unitFastCandidateExactFiles = [...pluginSdkLightTestFiles, ...commandsLightTestFiles];
+const broadUnitFastCandidateGlobs = [
+  "src/**/*.test.ts",
+  "packages/**/*.test.ts",
+  "test/**/*.test.ts",
+];
+const broadUnitFastCandidateSkipGlobs = [
+  "**/*.e2e.test.ts",
+  "**/*.live.test.ts",
+  "test/fixtures/**/*.test.ts",
+  "test/setup-home-isolation.test.ts",
+  "src/config/schema.base.generated.test.ts",
+  "src/gateway/**/*.test.ts",
+  "src/security/**/*.test.ts",
+  "src/secrets/**/*.test.ts",
+  "src/tasks/**/*.test.ts",
+];
+
+const disqualifyingPatterns = [
+  {
+    code: "jsdom-environment",
+    pattern: /@vitest-environment\s+jsdom/u,
+  },
+  {
+    code: "module-mocking",
+    pattern: /\bvi\.(?:mock|doMock|unmock|doUnmock|importActual|resetModules)\s*\(/u,
+  },
+  {
+    code: "vitest-mock-api",
+    pattern: /\bvi\b/u,
+  },
+  {
+    code: "dynamic-import",
+    pattern: /\b(?:await\s+)?import\s*\(/u,
+  },
+  {
+    code: "fake-timers",
+    pattern:
+      /\bvi\.(?:useFakeTimers|setSystemTime|advanceTimers|runAllTimers|runOnlyPendingTimers)\s*\(/u,
+  },
+  {
+    code: "env-or-global-stub",
+    pattern: /\bvi\.(?:stubEnv|stubGlobal|unstubAllEnvs|unstubAllGlobals)\s*\(/u,
+  },
+  {
+    code: "process-env-mutation",
+    pattern: /(?:process\.env(?:\.[A-Za-z_$][\w$]*|\[[^\]]+\])?\s*=|delete\s+process\.env)/u,
+  },
+  {
+    code: "global-mutation",
+    pattern: /(?:globalThis|global)\s*\[[^\]]+\]\s*=/u,
+  },
+  {
+    code: "filesystem-state",
+    pattern:
+      /\b(?:mkdtemp|rmSync|writeFileSync|appendFileSync|mkdirSync|createTemp|makeTempDir|tempDir|tmpdir|node:fs|node:os)\b/u,
+  },
+  {
+    code: "runtime-singleton-state",
+    pattern: /\b(?:setActivePluginRegistry|resetPluginRuntimeStateForTest|reset.*ForTest)\s*\(/u,
+  },
+];
+
+function matchesAnyGlob(file, patterns) {
+  return patterns.some((pattern) => path.matchesGlob(file, pattern));
+}
+
+function walkFiles(directory, files = []) {
+  let entries;
+  try {
+    entries = fs.readdirSync(directory, { withFileTypes: true });
+  } catch {
+    return files;
+  }
+
+  for (const entry of entries) {
+    const entryPath = path.join(directory, entry.name);
+    if (entry.isDirectory()) {
+      if (entry.name === "node_modules" || entry.name === "dist" || entry.name === "vendor") {
+        continue;
+      }
+      walkFiles(entryPath, files);
+      continue;
+    }
+    if (entry.isFile() && entry.name.endsWith(".test.ts")) {
+      files.push(normalizeRepoPath(entryPath));
+    }
+  }
+  return files;
+}
+
+export function classifyUnitFastTestFileContent(source) {
+  const reasons = [];
+  for (const { code, pattern } of disqualifyingPatterns) {
+    if (pattern.test(source)) {
+      reasons.push(code);
+    }
+  }
+  return reasons;
+}
+
+export function collectUnitFastTestCandidates(cwd = process.cwd()) {
+  const discovered = ["src", "packages", "test"]
+    .flatMap((directory) => walkFiles(path.join(cwd, directory)))
+    .map((file) => normalizeRepoPath(path.relative(cwd, file)))
+    .filter(
+      (file) =>
+        matchesAnyGlob(file, unitFastCandidateGlobs) &&
+        !matchesAnyGlob(file, broadUnitFastCandidateSkipGlobs),
+    );
+  return [...new Set([...discovered, ...unitFastCandidateExactFiles])].toSorted((a, b) =>
+    a.localeCompare(b),
+  );
+}
+
+export function collectBroadUnitFastTestCandidates(cwd = process.cwd()) {
+  const discovered = ["src", "packages", "test"]
+    .flatMap((directory) => walkFiles(path.join(cwd, directory)))
+    .map((file) => normalizeRepoPath(path.relative(cwd, file)))
+    .filter(
+      (file) =>
+        matchesAnyGlob(file, broadUnitFastCandidateGlobs) &&
+        !matchesAnyGlob(file, broadUnitFastCandidateSkipGlobs),
+    );
+  return [...new Set([...discovered, ...unitFastCandidateExactFiles])].toSorted((a, b) =>
+    a.localeCompare(b),
+  );
+}
+
+export function collectUnitFastTestFileAnalysis(cwd = process.cwd(), options = {}) {
+  const candidates =
+    options.scope === "broad"
+      ? collectBroadUnitFastTestCandidates(cwd)
+      : collectUnitFastTestCandidates(cwd);
+  return candidates.map((file) => {
+    const absolutePath = path.join(cwd, file);
+    let source = "";
+    try {
+      source = fs.readFileSync(absolutePath, "utf8");
+    } catch {
+      return {
+        file,
+        unitFast: false,
+        reasons: ["missing-file"],
+      };
+    }
+    const reasons = classifyUnitFastTestFileContent(source);
+    return {
+      file,
+      unitFast: reasons.length === 0,
+      reasons,
+    };
+  });
+}
+
+export const unitFastTestFiles = collectUnitFastTestFileAnalysis()
+  .filter((entry) => entry.unitFast)
+  .map((entry) => entry.file);
+
+const unitFastTestFileSet = new Set(unitFastTestFiles);
+const sourceToUnitFastTestFile = new Map(
+  [...pluginSdkLightSourceFiles, ...commandsLightSourceFiles].flatMap((sourceFile) => {
+    const testFile = sourceFile.replace(/\.ts$/u, ".test.ts");
+    return unitFastTestFileSet.has(testFile) ? [[sourceFile, testFile]] : [];
+  }),
+);
+
+export function isUnitFastTestFile(file) {
+  return unitFastTestFileSet.has(normalizeRepoPath(file));
+}
+
+export function resolveUnitFastTestIncludePattern(file) {
+  const normalized = normalizeRepoPath(file);
+  if (unitFastTestFileSet.has(normalized)) {
+    return normalized;
+  }
+  const siblingTestFile = normalized.replace(/\.ts$/u, ".test.ts");
+  if (unitFastTestFileSet.has(siblingTestFile)) {
+    return siblingTestFile;
+  }
+  return sourceToUnitFastTestFile.get(normalized) ?? null;
+}
diff --git a/vitest.unit-fast.config.ts b/vitest.unit-fast.config.ts
new file mode 100644
index 00000000000..b26f9c44b27
--- /dev/null
+++ b/vitest.unit-fast.config.ts
@@ -0,0 +1,29 @@
+import { defineConfig } from "vitest/config";
+import { loadPatternListFromEnv, narrowIncludePatternsForCli } from "./vitest.pattern-file.ts";
+import { sharedVitestConfig } from "./vitest.shared.config.ts";
+import { unitFastTestFiles } from "./vitest.unit-fast-paths.mjs";
+
+export function createUnitFastVitestConfig(
+  env: Record<string, string | undefined> = process.env,
+  options: { argv?: string[] } = {},
+) {
+  const sharedTest = sharedVitestConfig.test ?? {};
+  const includeFromEnv = loadPatternListFromEnv("OPENCLAW_VITEST_INCLUDE_FILE", env);
+  const cliInclude = narrowIncludePatternsForCli(unitFastTestFiles, options.argv);
+
+  return defineConfig({
+    ...sharedVitestConfig,
+    test: {
+      ...sharedTest,
+      name: "unit-fast",
+      isolate: false,
+      runner: undefined,
+      setupFiles: [],
+      include: includeFromEnv ?? cliInclude ?? unitFastTestFiles,
+      exclude: sharedTest.exclude ?? [],
+      passWithNoTests: true,
+    },
+  });
+}
+
+export default createUnitFastVitestConfig();
diff --git a/vitest.unit.config.ts b/vitest.unit.config.ts
index 52c26cb89e5..3d8dff36ce0 100644
--- a/vitest.unit.config.ts
+++ b/vitest.unit.config.ts
@@ -2,6 +2,7 @@ import { defineProject } from "vitest/config";
 import { loadPatternListFromEnv, narrowIncludePatternsForCli } from "./vitest.pattern-file.ts";
 import { resolveVitestIsolation } from "./vitest.scoped-config.ts";
 import { sharedVitestConfig } from "./vitest.shared.config.ts";
+import { unitFastTestFiles } from "./vitest.unit-fast-paths.mjs";
 import {
   isBundledPluginDependentUnitTestFile,
   unitTestAdditionalExcludePatterns,
@@ -59,6 +60,7 @@ export function createUnitVitestConfigWithOptions(
         ...new Set([
           ...exclude,
           ...baseExcludePatterns,
+          ...unitFastTestFiles,
           ...(options.extraExcludePatterns ?? []),
           ...loadExtraExcludePatternsFromEnv(env),
         ]),
diff --git a/vitest.utils.config.ts b/vitest.utils.config.ts
index fe6dd1bef5d..a84c52101a6 100644
--- a/vitest.utils.config.ts
+++ b/vitest.utils.config.ts
@@ -1,9 +1,11 @@
 import { createScopedVitestConfig } from "./vitest.scoped-config.ts";
+import { unitFastTestFiles } from "./vitest.unit-fast-paths.mjs";
 
 export function createUtilsVitestConfig(env?: Record<string, string | undefined>) {
   return createScopedVitestConfig(["src/utils/**/*.test.ts"], {
     dir: "src",
     env,
+    exclude: unitFastTestFiles,
     includeOpenClawRuntimeSetup: false,
     name: "utils",
     passWithNoTests: true,