diff --git a/release-gate/release-script.test.mjs b/release-gate/release-script.test.mjs
index f95d3d2..604b202 100644
--- a/release-gate/release-script.test.mjs
+++ b/release-gate/release-script.test.mjs
@@ -200,6 +200,9 @@ test('production canary keeps stable 8081 live and switches only after verified
   );
   assert.match(source, /MEMIND_CANARY_WECHAT_PAGE_DATA_AIDER_REVIEW_ENABLED/);
   assert.match(source, /MEMIND_CANARY_WECHAT_PAGE_DATA_AIDER_REVIEW_USER_IDS/);
+  assert.match(source, /CANARY_AIDER_BIN="\/opt\/homebrew\/bin\/aider"/);
+  assert.match(source, /test -x '\$\{CANARY_AIDER_BIN\}'/);
+  assert.match(source, /MEMIND_CANARY_AIDER_BIN/);
   assert.match(source, /route-probe\?\$\{probe_query\}/);
   assert.match(source, /candidate_healthy/);
   assert.match(source, /MEMIND_CANARY_RELEASE_ID/);
@@ -219,6 +222,7 @@ test('candidate runner overrides stable host MCP paths with container-visible pa
 
   const stableRoot = path.join(tempRoot, 'stable');
   const fakeNode = path.join(tempRoot, 'node');
+  const fakeAider = path.join(tempRoot, 'aider');
   await fs.mkdir(stableRoot);
   await fs.writeFile(
     path.join(stableRoot, '.env'),
@@ -232,6 +236,7 @@ test('candidate runner overrides stable host MCP paths with container-visible pa
       'MEMIND_GOOSED_HOST_GATEWAY=wrong.invalid',
       'H5_WECHAT_MP_PAGE_DATA_AIDER_REVIEW_ENABLED=0',
       'H5_WECHAT_MP_PAGE_DATA_AIDER_REVIEW_USERS=wrong-user',
+      'AIDER_BIN=/definitely/missing/aider',
       '',
     ].join('\n'),
   );
@@ -249,11 +254,13 @@ test('candidate runner overrides stable host MCP paths with container-visible pa
       'printf "deepseek_host=%s\\n" "${MEMIND_DEEPSEEK_NO_THINK_HOST-unset}"',
       'printf "page_data_review=%s\\n" "$H5_WECHAT_MP_PAGE_DATA_AIDER_REVIEW_ENABLED"',
       'printf "page_data_review_users=%s\\n" "$H5_WECHAT_MP_PAGE_DATA_AIDER_REVIEW_USERS"',
+      'printf "aider_bin=%s\\n" "$AIDER_BIN"',
       'printf "entrypoint=%s\\n" "$1"',
       '',
     ].join('\n'),
     { mode: 0o755 },
   );
+  await fs.writeFile(fakeAider, '#!/usr/bin/env bash\nexit 0\n', { mode: 0o755 });
 
   const result = spawnSync(
     'bash',
@@ -269,6 +276,7 @@ test('candidate runner overrides stable host MCP paths with container-visible pa
         MEMIND_CANARY_WECHAT_PAGE_DATA_AIDER_REVIEW_ENABLED: '1',
         MEMIND_CANARY_WECHAT_PAGE_DATA_AIDER_REVIEW_USER_IDS:
           'a70ff537-8908-486e-9b6c-042e07cc25db',
+        MEMIND_CANARY_AIDER_BIN: fakeAider,
         NODE_BIN: fakeNode,
       },
     },
@@ -291,6 +299,7 @@ test('candidate runner overrides stable host MCP paths with container-visible pa
     result.stdout,
     /^page_data_review_users=a70ff537-8908-486e-9b6c-042e07cc25db$/m,
   );
+  assert.match(result.stdout, new RegExp(`^aider_bin=${fakeAider}$`, 'm'));
   assert.match(result.stdout, new RegExp(`^entrypoint=${ROOT}/server\\.mjs$`, 'm'));
 });
 
diff --git a/scripts/release-portal-canary-prod.sh b/scripts/release-portal-canary-prod.sh
index 708a586..72dc92f 100755
--- a/scripts/release-portal-canary-prod.sh
+++ b/scripts/release-portal-canary-prod.sh
@@ -24,6 +24,7 @@ CANARY_USERNAMES="john"
 CANARY_WECHAT_USER_IDS="wx_ul610et8"
 CANARY_WECHAT_PAGE_DATA_AIDER_REVIEW_ENABLED="1"
 CANARY_WECHAT_PAGE_DATA_AIDER_REVIEW_USER_IDS="a70ff537-8908-486e-9b6c-042e07cc25db"
+CANARY_AIDER_BIN="/opt/homebrew/bin/aider"
 RELEASE_TS="$(date +%Y%m%d-%H%M%S)"
 FULL_SHA="$(git -C "${ROOT}" rev-parse HEAD)"
 SHORT_SHA="${FULL_SHA:0:7}"
@@ -183,6 +184,7 @@ printf '%s  %s\n' "${bundle_sha}" "$(basename "${BUNDLE_PATH}")" > "${SHA_PATH}"
   echo "canary_wechat_user_ids=${CANARY_WECHAT_USER_IDS}"
   echo "canary_wechat_page_data_aider_review_enabled=${CANARY_WECHAT_PAGE_DATA_AIDER_REVIEW_ENABLED}"
   echo "canary_wechat_page_data_aider_review_user_ids=${CANARY_WECHAT_PAGE_DATA_AIDER_REVIEW_USER_IDS}"
+  echo "canary_aider_bin=${CANARY_AIDER_BIN}"
   echo "manual_environment_changes=none"
 } > "${MANIFEST_PATH}"
 
@@ -197,6 +199,7 @@ ssh -o BatchMode=yes -o ConnectTimeout=15 "${HOST}" \
   "test -d '${STABLE_DIR}' \
    && test -f '${STABLE_DIR}/.env' \
    && test -f '${GOOSED_DIR}/docker-compose.prod.yml' \
+   && test -x '${CANARY_AIDER_BIN}' \
    && curl -fsS http://127.0.0.1:8081/api/status >/dev/null \
    && ! lsof -nP -iTCP:${CANARY_PROXY_PORT} -sTCP:LISTEN >/dev/null 2>&1 \
    && ! lsof -nP -iTCP:${DEEPSEEK_COMPAT_PORT} -sTCP:LISTEN >/dev/null 2>&1 \
@@ -314,6 +317,7 @@ ssh -o BatchMode=yes "${HOST}" \
    CANARY_WECHAT_USER_IDS='${CANARY_WECHAT_USER_IDS}' \
    CANARY_WECHAT_PAGE_DATA_AIDER_REVIEW_ENABLED='${CANARY_WECHAT_PAGE_DATA_AIDER_REVIEW_ENABLED}' \
    CANARY_WECHAT_PAGE_DATA_AIDER_REVIEW_USER_IDS='${CANARY_WECHAT_PAGE_DATA_AIDER_REVIEW_USER_IDS}' \
+   CANARY_AIDER_BIN='${CANARY_AIDER_BIN}' \
    /bin/bash" <<'REMOTE_SCRIPT'
 set -euo pipefail
 
@@ -578,6 +582,7 @@ cat > "${CANDIDATE_PLIST}" <<EOF
     <key>MEMIND_CANARY_DEEPSEEK_PROXY_PORT</key><string>${DEEPSEEK_COMPAT_PORT}</string>
     <key>MEMIND_CANARY_WECHAT_PAGE_DATA_AIDER_REVIEW_ENABLED</key><string>${CANARY_WECHAT_PAGE_DATA_AIDER_REVIEW_ENABLED}</string>
     <key>MEMIND_CANARY_WECHAT_PAGE_DATA_AIDER_REVIEW_USER_IDS</key><string>${CANARY_WECHAT_PAGE_DATA_AIDER_REVIEW_USER_IDS}</string>
+    <key>MEMIND_CANARY_AIDER_BIN</key><string>${CANARY_AIDER_BIN}</string>
   </dict>
   <key>RunAtLoad</key><true/>
   <key>KeepAlive</key><true/>
diff --git a/scripts/run-memind-portal-candidate.sh b/scripts/run-memind-portal-candidate.sh
index c3f75a2..dc9fa08 100755
--- a/scripts/run-memind-portal-candidate.sh
+++ b/scripts/run-memind-portal-candidate.sh
@@ -40,6 +40,7 @@ export MEMIND_DEEPSEEK_NO_THINK_PORT="${MEMIND_CANARY_DEEPSEEK_PROXY_PORT:-18036
 export MEMIND_GOOSED_HOST_GATEWAY=host.docker.internal
 export H5_WECHAT_MP_PAGE_DATA_AIDER_REVIEW_ENABLED="${MEMIND_CANARY_WECHAT_PAGE_DATA_AIDER_REVIEW_ENABLED:-0}"
 export H5_WECHAT_MP_PAGE_DATA_AIDER_REVIEW_USERS="${MEMIND_CANARY_WECHAT_PAGE_DATA_AIDER_REVIEW_USER_IDS:-}"
+export AIDER_BIN="${MEMIND_CANARY_AIDER_BIN:-/opt/homebrew/bin/aider}"
 unset MEMIND_DEEPSEEK_NO_THINK_BASE_URL
 unset MEMIND_DEEPSEEK_NO_THINK_HOST
 unset TKMIND_API_TARGET_1
@@ -48,6 +49,10 @@ NODE_BIN="${NODE_BIN:-/opt/homebrew/opt/node@24/bin/node}"
 if [[ ! -x "${NODE_BIN}" ]]; then
   NODE_BIN="$(command -v node)"
 fi
+if [[ "${H5_WECHAT_MP_PAGE_DATA_AIDER_REVIEW_ENABLED}" == "1" && ! -x "${AIDER_BIN}" ]]; then
+  echo "[portal-candidate] configured Aider executable is unavailable: ${AIDER_BIN}" >&2
+  exit 1
+fi
 
 port="${H5_PORT}"
 if lsof -tiTCP:"${port}" -sTCP:LISTEN >/dev/null 2>&1; then