Merge Codex warm-up fresh-window defaults

Restrict Codex warm-up to fresh quota windows

.env.example

@@ -37,9 +37,10 @@ STATUS_CHANNEL_ID=                    # Discord channel ID for live status updat
 # STATUS_SHOW_ROOM_DETAILS=false      # Show detailed room info
 
 # --- Codex warm-up (optional, disabled by default) ---
-# Sends a tiny real Codex prompt to near-zero-usage accounts so their reset
-# countdown starts after a fresh quota window. Keep disabled if OpenAI changes
-# policy or starts blocking automated warm-up prompts.
+# Sends a tiny real Codex prompt only when both 5h and 7d usage are 0%, so
+# reset countdown starts once after a fresh quota window. Keep disabled if
+# OpenAI changes policy or starts blocking automated warm-up prompts.
+# Normally only set this one line; the other knobs have conservative defaults.
 # CODEX_WARMUP_ENABLED=false
 # CODEX_WARMUP_PROMPT=Reply exactly OK. Do not run tools.
 # CODEX_WARMUP_MODEL=                 # Defaults to CODEX_MODEL
@@ -47,7 +48,7 @@ STATUS_CHANNEL_ID=                    # Discord channel ID for live status updat
 # CODEX_WARMUP_MIN_INTERVAL_MS=18300000  # Per-account minimum gap: 5h5m
 # CODEX_WARMUP_STAGGER_MS=1800000     # Global gap between accounts: 30min
 # CODEX_WARMUP_MAX_USAGE_PCT=0        # Only warm accounts at/below this 5h usage
-# CODEX_WARMUP_MAX_D7_USAGE_PCT=99    # Skip weekly-exhausted accounts
+# CODEX_WARMUP_MAX_D7_USAGE_PCT=0     # Only warm accounts at/below this 7d usage
 # CODEX_WARMUP_MAX_CONSECUTIVE_FAILURES=2
 # CODEX_WARMUP_FAILURE_COOLDOWN_MS=21600000  # Back off 6h after repeated failure
 

src/codex-warmup.test.ts

@@ -130,7 +130,7 @@ describe('Codex warm-up scheduler', () => {
         minIntervalMs: 18_300_000,
         staggerMs: 1_800_000,
         maxUsagePct: 0,
-        maxD7UsagePct: 99,
+        maxD7UsagePct: 0,
         commandTimeoutMs: 120_000,
         failureCooldownMs: 21_600_000,
         maxConsecutiveFailures: 2,
@@ -195,7 +195,7 @@ describe('Codex warm-up scheduler', () => {
       minIntervalMs: 18_300_000,
       staggerMs: 0,
       maxUsagePct: 0,
-      maxD7UsagePct: 99,
+      maxD7UsagePct: 0,
       commandTimeoutMs: 120_000,
       failureCooldownMs: 21_600_000,
       maxConsecutiveFailures: 1,
@@ -254,7 +254,7 @@ describe('Codex warm-up scheduler', () => {
         minIntervalMs: 18_300_000,
         staggerMs: 1_800_000,
         maxUsagePct: 0,
-        maxD7UsagePct: 99,
+        maxD7UsagePct: 0,
         commandTimeoutMs: 120_000,
         failureCooldownMs: 21_600_000,
         maxConsecutiveFailures: 2,

src/config.test.ts

@@ -139,6 +139,7 @@ describe('config/env loading', () => {
     let config = await import('./config.js');
     expect(config.CODEX_WARMUP_CONFIG.enabled).toBe(false);
     expect(config.CODEX_WARMUP_CONFIG.maxUsagePct).toBe(0);
+    expect(config.CODEX_WARMUP_CONFIG.maxD7UsagePct).toBe(0);
     expect(
       config.CODEX_WARMUP_CONFIG.maxConsecutiveFailures,
     ).toBeGreaterThanOrEqual(1);

src/config/load-config.ts

@@ -277,7 +277,7 @@ export function loadConfig(): AppConfig {
       ),
       staggerMs: Math.max(0, readInteger('CODEX_WARMUP_STAGGER_MS', 1800000)),
       maxUsagePct: readPercent('CODEX_WARMUP_MAX_USAGE_PCT', 0),
-      maxD7UsagePct: readPercent('CODEX_WARMUP_MAX_D7_USAGE_PCT', 99),
+      maxD7UsagePct: readPercent('CODEX_WARMUP_MAX_D7_USAGE_PCT', 0),
       commandTimeoutMs: readIntegerAtLeast(
         'CODEX_WARMUP_COMMAND_TIMEOUT_MS',
         120000,