diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1922b98e5..28a2739b5 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -16,7 +16,7 @@ jobs:
             command: pnpm lint
           - runtime: node
             task: test
-            command: pnpm test
+            command: node scripts/ci-sanitize-output.mjs pnpm test
           - runtime: node
             task: build
             command: pnpm build
@@ -104,7 +104,7 @@ jobs:
             command: pnpm lint
           - runtime: node
             task: test
-            command: pnpm test
+            command: node scripts/ci-sanitize-output.mjs pnpm test
           - runtime: node
             task: build
             command: pnpm build
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 938e39cc6..a019532ad 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -45,6 +45,7 @@
 - WhatsApp: group `/model list` output by provider for scannability. (#456) - thanks @mcinteerj
 - Hooks: allow per-hook model overrides for webhook/Gmail runs (e.g. GPT 5 Mini).
 - Control UI: logs tab opens at the newest entries (bottom).
+- Control UI: default to relative paths for control UI assets. (#569) — thanks @bjesuiter
 - Control UI: add Docs link, remove chat composer divider, and add New session button.
 - Control UI: link sessions list to chat view. (#471) — thanks @HazAT
 - Sessions: support session `label` in store/list/UI and allow `sessions_send` lookup by label. (#570) — thanks @azade-c
diff --git a/scripts/ci-sanitize-output.mjs b/scripts/ci-sanitize-output.mjs
new file mode 100644
index 000000000..9c9b12012
--- /dev/null
+++ b/scripts/ci-sanitize-output.mjs
@@ -0,0 +1,37 @@
+import { spawn } from "node:child_process";
+
+function sanitizeBuffer(input) {
+  const out = Buffer.allocUnsafe(input.length);
+  for (let i = 0; i < input.length; i++) {
+    const b = input[i];
+    // Keep: tab/newline/carriage return + printable ASCII; replace everything else.
+    out[i] = b === 9 || b === 10 || b === 13 || (b >= 32 && b <= 126) ? b : 63;
+  }
+  return out;
+}
+
+const [command, ...args] = process.argv.slice(2);
+if (!command) {
+  process.stderr.write(
+    "Usage: node scripts/ci-sanitize-output.mjs <cmd> [args...]\n",
+  );
+  process.exit(2);
+}
+
+const child = spawn(command, args, {
+  stdio: ["ignore", "pipe", "pipe"],
+  shell: process.platform === "win32",
+});
+
+child.stdout.on("data", (chunk) => {
+  process.stdout.write(sanitizeBuffer(Buffer.from(chunk)));
+});
+
+child.stderr.on("data", (chunk) => {
+  process.stderr.write(sanitizeBuffer(Buffer.from(chunk)));
+});
+
+child.on("exit", (code, signal) => {
+  if (signal) process.exit(1);
+  process.exit(code ?? 1);
+});
diff --git a/src/auto-reply/reply.triggers.test.ts b/src/auto-reply/reply.triggers.test.ts
index d5017a3fa..c4c67945a 100644
--- a/src/auto-reply/reply.triggers.test.ts
+++ b/src/auto-reply/reply.triggers.test.ts
@@ -53,13 +53,27 @@ vi.mock("../web/session.js", () => webMocks);
 async function withTempHome<T>(fn: (home: string) => Promise<T>): Promise<T> {
   const base = await fs.mkdtemp(join(tmpdir(), "clawdbot-triggers-"));
   const previousHome = process.env.HOME;
+  const previousUserProfile = process.env.USERPROFILE;
+  const previousHomeDrive = process.env.HOMEDRIVE;
+  const previousHomePath = process.env.HOMEPATH;
   process.env.HOME = base;
+  if (process.platform === "win32") {
+    process.env.USERPROFILE = base;
+    const driveMatch = base.match(/^([A-Za-z]:)(.*)$/);
+    if (driveMatch) {
+      process.env.HOMEDRIVE = driveMatch[1];
+      process.env.HOMEPATH = driveMatch[2] || "\\";
+    }
+  }
   try {
     vi.mocked(runEmbeddedPiAgent).mockClear();
     vi.mocked(abortEmbeddedPiRun).mockClear();
     return await fn(base);
   } finally {
     process.env.HOME = previousHome;
+    process.env.USERPROFILE = previousUserProfile;
+    process.env.HOMEDRIVE = previousHomeDrive;
+    process.env.HOMEPATH = previousHomePath;
     await fs.rm(base, { recursive: true, force: true });
   }
 }
diff --git a/src/auto-reply/reply.ts b/src/auto-reply/reply.ts
index b787c0faa..fd44cca22 100644
--- a/src/auto-reply/reply.ts
+++ b/src/auto-reply/reply.ts
@@ -582,6 +582,7 @@ export async function getReplyFromConfig(
     directives,
     effectiveModelDirective,
     cfg,
+    agentDir,
     sessionEntry,
     sessionStore,
     sessionKey,
diff --git a/src/auto-reply/reply/directive-handling.ts b/src/auto-reply/reply/directive-handling.ts
index b7e4eaaf8..0d7f5c585 100644
--- a/src/auto-reply/reply/directive-handling.ts
+++ b/src/auto-reply/reply/directive-handling.ts
@@ -976,6 +976,7 @@ export async function persistInlineDirectives(params: {
   directives: InlineDirectives;
   effectiveModelDirective?: string;
   cfg: ClawdbotConfig;
+  agentDir?: string;
   sessionEntry?: SessionEntry;
   sessionStore?: Record<string, SessionEntry>;
   sessionKey?: string;
@@ -1009,6 +1010,7 @@ export async function persistInlineDirectives(params: {
     formatModelSwitchEvent,
     agentCfg,
   } = params;
+  const { agentDir } = params;
   let { provider, model } = params;
   const activeAgentId = sessionKey
     ? resolveAgentIdFromSessionKey(sessionKey)
diff --git a/ui/vite.config.ts b/ui/vite.config.ts
index 30dbd25a3..c347c2b0e 100644
--- a/ui/vite.config.ts
+++ b/ui/vite.config.ts
@@ -14,7 +14,7 @@ function normalizeBase(input: string): string {
 
 export default defineConfig(({ command }) => {
   const envBase = process.env.CLAWDBOT_CONTROL_UI_BASE_PATH?.trim();
-  const base = envBase ? normalizeBase(envBase) : "/";
+  const base = envBase ? normalizeBase(envBase) : "./";
   return {
     base,
     publicDir: path.resolve(here, "public"),