diff --git a/agent-zero-fix-summary.md b/agent-zero-fix-summary.md
index ffe8720..98ad44a 100644
--- a/agent-zero-fix-summary.md
+++ b/agent-zero-fix-summary.md
@@ -16,8 +16,8 @@ litellm.exceptions.AuthenticationError: OpenrouterException -
 ```
 **Root Cause**: The OpenRouter API key in `/a0/usr/.env` belonged to a different OpenRouter user.
 
-**Old Key**: `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`  
-**New Key**: `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`  
+**Old Key**: `«vault: agents/production OPENROUTER_API_KEY»`  
+**New Key**: `«vault: agents/production OPENROUTER_API_KEY»`  
 **New User**: `user_2rt9lCqcd5d7Vk1t18DHsvWdPTT`
 
 ### 2. Telegram Bot Conflict (CRITICAL)
@@ -48,14 +48,14 @@ McpError: Timed out while waiting for response to ClientRequest. Waited 10.0 sec
 ```bash
 # Container .env update
 sudo docker exec agent-zero bash -c '
-sed -i "s|^API_KEY_OPENROUTER=.*|API_KEY_OPENROUTER=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|" /a0/usr/.env
+sed -i "s|^API_KEY_OPENROUTER=.*|API_KEY_OPENROUTER=«vault: agents/production OPENROUTER_API_KEY»|" /a0/usr/.env
 '
 ```
 
 **Verification**:
 ```bash
 curl -s https://openrouter.ai/api/v1/auth/key \
-  -H "Authorization: Bearer sk-or-v1-0af3f3..." | python3 -m json.tool
+  -H "Authorization: Bearer «vault: agents/production OPENROUTER_API_KEY»" | python3 -m json.tool
 ```
 Result: HTTP 200, user `user_2rt9lCqcd5d7Vk1t18DHsvWdPTT`, not free tier.
 
@@ -140,7 +140,7 @@ Added section:
 
 | Component | Status | Details |
 |-----------|--------|---------|
-| **OpenRouter Key** | ✅ Valid | `sk-or-v1-0af3f3…`, user verified |
+| **OpenRouter Key** | ✅ Valid | `«vault: agents/production OPENROUTER_API_KEY»` user verified, |
 | **Telegram Bot** | ✅ Resolved | Plugin disabled, conflicts cleared |
 | **MCP Services** | ✅ Working | No timeouts after key fix |
 | **Container** | ✅ Running | PID 3320, uptime 16+ hours |
diff --git a/agent-zero-openrouter-key.prose.md b/agent-zero-openrouter-key.prose.md
index 939dc50..8cf9b28 100644
--- a/agent-zero-openrouter-key.prose.md
+++ b/agent-zero-openrouter-key.prose.md
@@ -54,7 +54,7 @@ description: >
    ```
 
 4. **Return status**
-   - If all checks pass: `{ key_status: "valid", key_prefix: "sk-or-v1-0af", user_id: "user_2rt9lCqcd5d7Vk1t18DHsvWdPTT" }`
+   - If all checks pass: `{ key_status: "valid", key_prefix: "sk-or-v1-synthetic...", user_id: "user_2rt9lCqcd5d7Vk1t18DHsvWdPTT" }`
    - If OpenRouter returns 401: `{ key_status: "invalid", detail: "User not found" }`
    - If vault secret is missing: `{ vault_synced: false }`
 
@@ -89,8 +89,8 @@ description: >
 
 | Field | Value |
 |-------|-------|
-| **Key Prefix** | `sk-or-v1-0af3f3` |
-| **Full Key** | `«redacted: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»` (in vault + /a0/usr/.env) |
+| **Key Prefix** | `«vault: agents/production OPENROUTER_API_KEY»` |
+| **Full Key** | `«vault: agents/production OPENROUTER_API_KEY»` (in vault + /a0/usr/.env) |
 | **OpenRouter User** | `user_2rt9lCqcd5d7Vk1t18DHsvWdPTT` |
 | **Free Tier** | No |
 | **Monthly Usage** | 0 (as of 2026-09-01) |
@@ -101,7 +101,7 @@ description: >
 
 | Date | Action | Notes |
 |------|--------|-------|
-| 2026-09-01 | fix-401 | Old key `sk-or-v1-036e5ca5…` returned 401 "User not found". Replaced with new key `sk-or-v1-0af3f3…` for user `user_2rt9lCqcd5d7Vk1t18DHsvWdPTT`. Verified OpenRouter 200. Container .env updated, run_ui restarted. |
+| 2026-09-01 | fix-401 | Old key `«vault: agents/production OPENROUTER_API_KEY»…` returned 401 "User not found". Replaced with new key `«vault: agents/production OPENROUTER_API_KEY»…` for user `user_2rt9lCqcd5d7Vk1t18DHsvWdPTT`. Verified OpenRouter 200. Container .env updated, run_ui restarted. |
 
 ## Infrastructure References
 
diff --git a/hermes-key-enforcement.prose.md b/hermes-key-enforcement.prose.md
index 4353ab9..7c767a2 100644
--- a/hermes-key-enforcement.prose.md
+++ b/hermes-key-enforcement.prose.md
@@ -101,7 +101,7 @@ auxiliary:
 fallback_providers:
   - provider: deepseek
     base_url: https://api.deepseek.com
-    api_key: sk-b7d9...               # ← hardcoded OK (external)
+    api_key: sk-synthetic-external-example   # ← hardcoded OK (external, synthetic example)
     api_key_env: DEEPSEEK_API_KEY      # ← also OK if set in environment (vault or /etc/environment)
 ```
 
@@ -109,7 +109,7 @@ fallback_providers:
 # ❌ FORBIDDEN — hardcoded key (top) OR unauthenticated path (bottom)
 model:
   provider: harness
-  api_key: sk-Flc62smlegyMEaSo1ka8JA   # ← RULE VIOLATION: hardcoded key
+  api_key: sk-synthetic-example-12345   # ← RULE VIOLATION: hardcoded key (synthetic example)
 
 model:
   provider: harness
@@ -182,7 +182,7 @@ grep -rn 'litellm/v1/responses' /root/.hermes/config.yaml
 
 # 2. Check systemd drop-ins for master key leaks (2026-07-05: Tanko had this)
 grep -rn 'LITELLM_API_KEY' /root/.config/systemd/user/ 2>/dev/null
-grep -rn 'LITELLM_API_KEY=sk-litellm-7f96080d' /root/.config/systemd/ 2>/dev/null
+grep -rn 'LITELLM_API_KEY=sk-synthetic-litellm-…' /root/.config/systemd/ 2>/dev/null
 
 # 3. Verify running process env matches dedicated key
 cat /proc/$(cat /home/jerome/.hermes/gateway.pid | python3 -c "import sys,json; print(json.load(sys.stdin)['pid'])")/environ \
diff --git a/infrastructure-control.prose.md b/infrastructure-control.prose.md
index 87f64b7..7144fb0 100644
--- a/infrastructure-control.prose.md
+++ b/infrastructure-control.prose.md
@@ -181,8 +181,8 @@ description: >
 **Stirling-PDF** (deployed 2026-07-03, Authentik SSO 2026-07-03):
 - URL: `https://pdf.sysloggh.net` (public) / `http://192.168.68.7:8989` (direct)
 - Swagger: `http://192.168.68.7:8989/swagger-ui.html`
-- Admin credentials: `admin` / `kakashi20stirling`
-- API key: `adefaef837314afc37803747049c2e73f456da97699ff1b02b391347c4a3cb88`
+- Admin credentials: `«vault: infrastructure/production STIRLING_ADMIN_USER»` / `«vault: infrastructure/production STIRLING_ADMIN_PASSWORD»`
+- API key: `«vault: infrastructure/production STIRLING_API_KEY»`
 - Authentik OAuth2: configured but disabled (requires paid Server license). Ready to enable: set `SECURITY_OAUTH2_ENABLED=true` + `SECURITY_LOGINMETHOD=all`
 - Compose: `/opt/home_stack/docker-compose.yml`
 - Control script: `/opt/home_stack/infra-control.sh`
@@ -636,7 +636,7 @@ monitor, or integration breaks.
 ```bash
 # Full cluster status
 PVE="https://minipve.sysloggh.net"
-AUTH="Authorization: PVEAPIToken=monitoring@pve!mumuni=eafd56c5-93d4-4d40-a41d-e688be0987f3"
+AUTH="Authorization: PVEAPIToken=«vault: infrastructure/production PVE_API_TOKEN»"
 curl -sfk "$PVE/api2/json/cluster/resources" -H "$AUTH"
 
 # Docker health from Abiba
diff --git a/litellm-api-keys.prose.md b/litellm-api-keys.prose.md
index 9ea71a6..9c35f0f 100644
--- a/litellm-api-keys.prose.md
+++ b/litellm-api-keys.prose.md
@@ -144,8 +144,8 @@ through its agent wrapper.
    safety net for vault outage or token revocation. Must be kept in sync on rotation.
    Example:
    ```bash
-   MUMUNI_LITELLM_API_KEY=sk-OzuWsoX22Hmb3Ps3JY01gw
-   MUMUNI_ZULIP_API_KEY=H8dY6V7aHmWNcfgNtJaDBPZ1dGWn0Ttt
+   MUMUNI_LITELLM_API_KEY=«vault: agents/production LITELLM_API_KEY»
+   MUMUNI_ZULIP_API_KEY=«vault: agents/production ZULIP_API_KEY»
    ```
 6. **systemd drop-in** at `~/.config/systemd/user/hermes-gateway.service.d/50-vault-wrapper.conf`:
    ```ini
@@ -191,7 +191,7 @@ through its agent wrapper.
 ### Tanko migration (COMPLETED 2026-07-17)
 
 Tanko was the last agent migrated from hardcoded keys to vault wrapper.
-Previously: key hardcoded in `/home/jerome/.hermes/config.yaml` (`api_key: sk-CggiHWlamQy…`)
+Previously: key hardcoded in `/home/jerome/.hermes/config.yaml` (`api_key: sk-synthetic-tanko-example…`)
 and `zulip-env.conf` systemd drop-in. Now: user-scope systemd service with drop-in
 `50-vault-wrapper.conf`, `infisical-gateway.sh` wrapper with while-true loop, token at
 `~/.infisical-token`, `.env` fallback at `~/.hermes/.env`. Keys injected live from vault.
@@ -271,13 +271,13 @@ not via the LiteLLM proxy. This is because Agent Zero's workflow (self-update ma
 UI bootstrap, model selection) is built around OpenRouter's native authentication.
 
 **Key Storage:**
-- **Container**: `/a0/usr/.env` (line ~72: `API_KEY_OPENROUTER=sk-or-v1-…`)
+- **Container**: `/a0/usr/.env` (line ~72: `API_KEY_OPENROUTER=«vault: agents/production OPENROUTER_API_KEY»…`)
 - **Vault**: Infisical secret `OPENROUTER_API_KEY` (project=agents, env=production)
 - **Fallback**: The container's .env is the primary source; vault sync is optional
   (unlike fleet agents which require vault injection)
 
 **Current Key (2026-09-01):**
-- **Prefix**: `sk-or-v1-0af3f3…`
+- **Prefix**: `«vault: agents/production OPENROUTER_API_KEY»`
 - **User**: `user_2rt9lCqcd5d7Vk1t18DHsvWdPTT`
 - **Plan**: Paid (not free tier)
 - **Usage**: 0 (as of 2026-09-01)
diff --git a/litellm-self-heal.prose.md b/litellm-self-heal.prose.md
index 189cdb0..6ea155a 100644
--- a/litellm-self-heal.prose.md
+++ b/litellm-self-heal.prose.md
@@ -116,7 +116,7 @@ contracts — read them there. Do not re-add retired names (`gemma-4-12b`, `gpu-
 - **Health-check script** (`/opt/inference-harness/scripts/litellm-health-check.sh` on CT 116): `gpu-fleet` check fails only on **critical** alerts (warnings are informational). Tests `strix-moe` (not `ornith-1.0-35b`).
 - **GPU monitor** (`/root/scripts/gpu-monitor-server.py` on pi .24): runs as **systemd unit `gpu-monitor.service`** (was bare `&` process). `gpu_count` includes Strix Halo (was 2, now 3). VRAM alert thresholds: warning 93%, critical 97% (raised from 90/95 — 128K context steady-state is ~70% on RTX 3090, not a fault).
 - **Agent key monitor** (`/root/scripts/agent-health-check.py` on pi .24, cron `*/10`): v4 (2026-09-10) — vault-backed agents (tanko/koby/koonimo) read their **agent-specific** `{NAME}_LITELLM_API_KEY` from Infisical vault (not the shared master key); abiba (pi agent) reads `LITELLM_API_KEY` from its local `/root/.pi/agent/env.sh` (#735 — moved out of shared `/root/.bashrc`), not from the vault. Abiba is pi-only since the harness purge, so its Hermes config/wrapper/gateway legs are skipped rather than reported as faults; koby is **report-only** (captain's 2026-08-17 ruling) — its findings go to the `--json` `report_only` array and are never counted as fleet failures or repaired, and its CT 111 liveness is probed on storepve (.6). Covers: LiteLLM keys, GPU ports, agent gateways, CT liveness (pct status on PVE nodes), config.yaml YAML integrity, wrapper/CLI integrity, vault secret non-emptiness checks. Every run/report carries the absolute execution path (`script=` + `cwd=`). The current fleet roster is owned by the script changelog (`scripts/agent-health-check.py`); mumuni is no longer probed from this host. Legacy `tdunna`/`baggy` replaced with canonical agent hostnames.
-- **Stale keys cleaned**: `daily-infra-report.py` SYNTHETIC_API_KEY was stale (`sk-U_ydi3B` → 401); now reads `LITELLM_MASTER_KEY` from env. Deprecated scripts (`router-original.py`, `router-phase0-backup.py`, `apply-fixes.py`) still reference `sk-syslog-local-master-key` but do not actively poll LiteLLM.
+- **Stale keys cleaned**: `daily-infra-report.py` SYNTHETIC_API_KEY was stale (hardcoded key → 401); now reads `LITELLM_MASTER_KEY` from env. Deprecated scripts (`router-original.py`, `router-phase0-backup.py`, `apply-fixes.py`) still reference `sk-syslog-local-master-key` but do not actively poll LiteLLM (deprecated key, no live usage).
 
 ## Maintains
 
diff --git a/scripts/agent-health-check.py b/scripts/agent-health-check.py
index 5a62852..8f8502a 100755
--- a/scripts/agent-health-check.py
+++ b/scripts/agent-health-check.py
@@ -122,10 +122,8 @@ def _fail(key, agent_name=None):
 
 
 INFISICAL_TOKEN = os.environ.get("INFISICAL_TOKEN")
-INFISICAL_API_URL = os.environ.get("INFISICAL_API_URL", "https://vault.sysloggh.net")
-
-# Fallback: if no env token, read the shared vault token file
 if not INFISICAL_TOKEN:
+    # Fallback: read the shared vault token file
     _token_path = os.path.expanduser("~/.infisical-token")
     if os.path.isfile(_token_path):
         try:
@@ -133,6 +131,7 @@ if not INFISICAL_TOKEN:
                 INFISICAL_TOKEN = _f.read().strip()
         except (OSError, UnicodeDecodeError):
             pass
+INFISICAL_API_URL = os.environ.get("INFISICAL_API_URL", "https://vault.sysloggh.net")
 
 # ── Helpers ──────────────────────────────────────────────────────────
 
diff --git a/scripts/daily-infra-report.py b/scripts/daily-infra-report.py
index a2b52be..e9cba4e 100755
--- a/scripts/daily-infra-report.py
+++ b/scripts/daily-infra-report.py
@@ -16,14 +16,16 @@ from email.mime.text import MIMEText
 from email.mime.multipart import MIMEMultipart
 
 PVE = "https://192.168.68.12:8006"
-AUTH = "Authorization: PVEAPIToken=monitoring@pve!mumuni=eafd56c5-93d4-4d40-a41d-e688be0987f3"
+AUTH = "Authorization: PVEAPIToken=«vault: infrastructure/production PVE_API_TOKEN»"
 
 # ── Shared credentials —─
 
 ZULIP_SITE = "https://chat.sysloggh.net"
 ZULIP_EMAIL = "abiba-bot@chat.sysloggh.net"
-ZULIP_KEY = "cKTDMZAPW08dk3zl05sStzO7HRztzyn8"
-ZULIP_AUTH = f"{ZULIP_EMAIL}:{ZULIP_KEY}"
+ZULIP_API_KEY = os.environ.get("ZULIP_API_KEY", "")
+if not ZULIP_API_KEY:
+    raise SystemExit("ZULIP_API_KEY not set — refusing to run with no credential")
+ZULIP_AUTH = f"{ZULIP_EMAIL}:{ZULIP_API_KEY}"
 
 LITELLM_PUBLIC = "https://litellm.sysloggh.net"
 LITELLM_BACKEND = "192.168.68.116"
@@ -669,7 +671,10 @@ def send_email(html_content, subject_prefix=""):
     msg.attach(MIMEText(html_content, "html"))
     
     try:
-        EMAIL_PASSWORD = "rgbuomwcydxwbszd"
+        EMAIL_PASSWORD = os.environ.get("EMAIL_PASSWORD") or os.environ.get("SMTP_PASSWORD") or os.environ.get("MAIL_PASSWORD")
+        if not EMAIL_PASSWORD:
+            print("EMAIL_PASSWORD not set — refusing to send email", file=sys.stderr)
+            sys.exit(1)
         GMAIL_EMAIL = "jtabiri@gmail.com"
         
         server = smtplib.SMTP("smtp.gmail.com", 587)
diff --git a/scripts/zulip-monitor.sh b/scripts/zulip-monitor.sh
index 45838db..3041b3e 100755
--- a/scripts/zulip-monitor.sh
+++ b/scripts/zulip-monitor.sh
@@ -7,9 +7,11 @@
 # agent leg is retired — see the note after the Tanko leg.
 set -euo pipefail
 
+# Credentials sourced from environment variable ZULIP_API_KEY (set by vault-backed start script)
+# Never fall back to a literal key
+ZULIP_API_KEY="${ZULIP_API_KEY:?ZULIP_API_KEY not set — refusing to run with no credential}"
 ZULIP_SITE="https://chat.sysloggh.net"
 ZULIP_EMAIL="abiba-bot@chat.sysloggh.net"
-ZULIP_KEY="cKTDMZAPW08dk3zl05sStzO7HRztzyn8"
 OWNER_ZULIP_ID="9"
 
 
@@ -27,12 +29,12 @@ notify() {
   local form
   form="type=private&to=%5B${OWNER_ZULIP_ID}%5D&content=$(python3 -c "import urllib.parse; print(urllib.parse.quote('''${content}'''))")"
   curl -sf -X POST "${ZULIP_SITE}/api/v1/messages" \
-    -u "${ZULIP_EMAIL}:${ZULIP_KEY}" \
+    -u "${ZULIP_EMAIL}:${ZULIP_API_KEY}" \
     -d "${form}" > /dev/null 2>&1 || true
   # Zulip stream post to #agent-hub on topic 'zulip-health'
   local stream_content="${severity} Zulip Monitor: ${msg}"
   curl -sf -X POST "${ZULIP_SITE}/api/v1/messages" \
-    -u "${ZULIP_EMAIL}:${ZULIP_KEY}" \
+    -u "${ZULIP_EMAIL}:${ZULIP_API_KEY}" \
     -d "type=stream&to=%5B7%5D&topic=zulip-health&content=$(printf '%s' "${stream_content}" | python3 -c "import sys,urllib.parse; print(urllib.parse.quote_from_bytes(sys.stdin.buffer.read()))")" \
     > /dev/null 2>&1 \
     || echo "  WARN: stream alert to #agent-hub (zulip-health) delivery failed (curl exit $?)" >> "$LOG"
@@ -41,7 +43,7 @@ notify() {
 # ── Global: Zulip Server ──
 SERVER_CODE=$(curl -s -o /dev/null -w "%{http_code}" --connect-timeout 10 \
   https://chat.sysloggh.net/api/v1/server_settings \
-  -u 'abiba-bot@chat.sysloggh.net:cKTDMZAPW08dk3zl05sStzO7HRztzyn8' 2>/dev/null) || SERVER_CODE="000"
+  -u "${ZULIP_EMAIL}:${ZULIP_API_KEY}" 2>/dev/null) || SERVER_CODE="000"
 SERVER_CODE=$(printf '%s' "$SERVER_CODE" | tr -d '[:space:]')
 [ -n "$SERVER_CODE" ] || SERVER_CODE="000"
 if [ "$SERVER_CODE" != "200" ]; then
diff --git a/stirling-pdf-agent-access.prose.md b/stirling-pdf-agent-access.prose.md
index 672c623..e6abec5 100644
--- a/stirling-pdf-agent-access.prose.md
+++ b/stirling-pdf-agent-access.prose.md
@@ -27,7 +27,7 @@ Agent (Hermes/pi) ──curl + X-API-Key──► Stirling-PDF (:8989) ──►
 | Base URL | `http://192.168.68.7:8989` |
 | Auth Method | API Key (header) |
 | Header Name | `X-API-Key` |
-| API Key | `adefaef837314afc37803747049c2e73f456da97699ff1b02b391347c4a3cb88` |
+| API Key | `«vault: infrastructure/production STIRLING_API_KEY»` |
 | Key Source | `SECURITY_CUSTOMGLOBALAPIKEY` in `/opt/home_stack/docker-compose.yml` |
 | Swagger | `http://192.168.68.7:8989/swagger-ui.html` |
 | Health | `http://192.168.68.7:8989/api/v1/info/status` |
@@ -44,7 +44,7 @@ from the knowledge graph and use the documented curl patterns.
 Direct bash invocations:
 ```bash
 curl -X POST "http://192.168.68.7:8989/api/v1/split-pdf" \
-  -H "X-API-Key: adefaef837314afc37803747049c2e73f456da97699ff1b02b391347c4a3cb88" \
+  -H "X-API-Key: «vault: infrastructure/production STIRLING_API_KEY»" \
   -F "fileInput=@/path/to/file.pdf" \
   -F "pageNumbers=1,2,3" \
   -o /tmp/output.zip