Harden database state failover diagnostics

README.md

@@ -15,12 +15,12 @@ https://polymarket-site-eta.vercel.app/personal.html
 
 The site fetches live Polymarket markets, generates agent suggestions, lets you
 run frequent paper cycles, and syncs the shared arena state through Neon or
-Vercel Blob. Build 58 also installs an offline app shell and caches timestamped
+Vercel Blob. Build 59 also installs an offline app shell and caches timestamped
 market snapshots. During an outage, cycles continue locally; cached entries are
 allowed for 90 minutes, older snapshots become mark-only, and all cached data
 expires after 24 hours.
 
-Build 58 ranks the competition by each agent's return since Strategy 50 began.
+Build 59 ranks the competition by each agent's return since Strategy 50 began.
 Historical replay equity remains visible for context, but it no longer makes an
 agent look like the current leader when the live adaptive strategy is losing.
 
@@ -114,7 +114,7 @@ feature views before repeatable positive evidence can increase size or repeatabl
 negative evidence can block a new entry. Mixed evidence stays close to neutral
 instead of being mistaken for an edge.
 
-Build 58 enforces the documented offline boundary end to end. Cached snapshots
+Build 59 enforces the documented offline boundary end to end. Cached snapshots
 under 90 minutes old may continue paper execution. Older snapshots remain usable
 for valuation and chart snapshots for up to 24 hours, but cannot trigger entries,
 stop-losses, gain-stops, risk rebalances, settlements, or policy exits. Network
@@ -127,12 +127,12 @@ adaptive baselines, pending signal grades, and trade evidence remain in one stra
 lineage until the actual entry, sizing, or exit logic changes. Legacy build 40 and 41
 records are migrated into the same strategy lineage without losing evidence.
 
-Build 58 independently refreshes markets for matured pending signals that have
+Build 59 independently refreshes markets for matured pending signals that have
 left the current top-500 activity scan. Unavailable markets remain queued for a
 bounded retry window. This prevents activity-rank survivorship from deciding
 which wins and losses reach the adaptive calibration ledger.
 
-Build 58 also allocates the 300 pending observation slots by evidence coverage.
+Build 59 also allocates the 300 pending observation slots by evidence coverage.
 Under-sampled signal/side/category cohorts are observed first, followed by
 under-sampled independent events and market sides, with conviction used only as
 a later tie-breaker. This prevents the same popular contracts from monopolizing

api/_db.js

@@ -19,9 +19,8 @@ export function normalizeDatabaseUrl(raw) {
 export function databaseUrls() {
   const candidates = [process.env.DATABASE_URL, process.env.NEON_DATABASE_URL]
     .map(normalizeDatabaseUrl).filter(Boolean);
-  const ordered = [...candidates.filter(value => /^postgres(?:ql)?:\/\//i.test(value)),
+  const valid = candidates.filter(value => /^postgres(?:ql)?:\/\//i.test(value));
-    ...candidates.filter(value => !/^postgres(?:ql)?:\/\//i.test(value))];
+  return [...new Set(valid.length ? valid : candidates)];
-  return [...new Set(ordered)];
 }
 
 export function databaseUrl() {

api/state.js

@@ -19,7 +19,13 @@ function withBlobAuth(options = {}) {
 
 export function providerErrorCode(error) {
   if (!error) return "not_configured_or_not_attempted";
+  const code = String(error.code || error.cause && error.cause.code || "").toUpperCase();
   const message = String(error.message || error).toLowerCase();
+  if (code === "28P01" || code === "28000") return "authorization_failed";
+  if (code === "3D000") return "database_not_found";
+  if (code.startsWith("08")) return "connection_failed";
+  if (code === "ENOTFOUND" || code === "EAI_AGAIN") return "dns_failed";
+  if (code === "ETIMEDOUT" || code === "UND_ERR_CONNECT_TIMEOUT") return "timeout";
   if (message.includes("invalid") && (message.includes("url") || message.includes("connection string"))) return "invalid_connection_string";
   if (message.includes("password authentication") || message.includes("unauthorized") || /\b(?:401|403)\b/.test(message)) return "authorization_failed";
   if (message.includes("enotfound") || message.includes("getaddrinfo") || message.includes("dns")) return "dns_failed";

index.html

@@ -341,7 +341,7 @@ footer{margin-top:34px;padding-top:22px;border-top:1px solid var(--border);color
   <nav class="topnav">
     <div class="brand">
       <div class="logo">🏆</div>
-      <div><div class="brand-name">Polymarket Arena</div><div class="brand-sub">10 agents · 5 core + 5 aggressive</div><div class="build-badge">Adaptive strategy 50 · build 58</div></div>
+      <div><div class="brand-name">Polymarket Arena</div><div class="brand-sub">10 agents · 5 core + 5 aggressive</div><div class="build-badge">Adaptive strategy 50 · build 59</div></div>
     </div>
     <div class="tabs" id="tabs">
       <button class="tab" data-tab="overview">Overview</button>
@@ -363,7 +363,7 @@ footer{margin-top:34px;padding-top:22px;border-top:1px solid var(--border);color
   <div class="personal-banner" id="personalBanner">
     <b>Personal research mode.</b> This copy is for your own analysis, paper tracking, and manual trade research only. It does not pool money, onboard investors, custody funds, bypass eligibility rules, or place orders without your manual approval.
   </div>
-  <div class="live-build-banner"><b>Build 58 active:</b> unproven directional signals train the event-clustered learner without risking cash. New observations prioritize under-sampled strategy cohorts and independent events before repeats. Cohorts can trade only after positive promotion. Live-priced complete YES or NO negative-risk bundles may trade when their worst-case payout remains positive after estimated costs; cached bundle prices never open positions. This remains paper trading; profits are not guaranteed.</div>
+  <div class="live-build-banner"><b>Build 59 active:</b> unproven directional signals train the event-clustered learner without risking cash. New observations prioritize under-sampled strategy cohorts and independent events before repeats, while shared state normalizes and fails over across configured Neon URLs. Cohorts can trade only after positive promotion. Live-priced complete YES or NO negative-risk bundles may trade when their worst-case payout remains positive after estimated costs; cached bundle prices never open positions. This remains paper trading; profits are not guaranteed.</div>
 
   <!-- ============ OVERVIEW ============ -->
   <section class="tabpanel" data-tab="overview">
@@ -745,7 +745,7 @@ footer{margin-top:34px;padding-top:22px;border-top:1px solid var(--border);color
   </section>
 
   <footer>
-    Build 58 · Adaptive strategy 50 · Paper trading only · Live prices from Polymarket's public Gamma API · Not financial advice ·
+    Build 59 · Adaptive strategy 50 · Paper trading only · Live prices from Polymarket's public Gamma API · Not financial advice ·
     <a class="market-link" href="https://github.com/theodore-song/polymarket-analyst" target="_blank" rel="noopener">Source on GitHub</a>
   </footer>
 </div>
@@ -774,7 +774,7 @@ const POLITICS_TREND_MIN_HOLD_HOURS = 72;
 const EXIT_CONFIRM_HOURS = 6;
 const AGENTS_KEY = "pma_agents_v2";
 const SUG_KEY = "pma_suggestions_v5";
-const BUILD_VERSION = 58;
+const BUILD_VERSION = 59;
 const SUGGESTION_ENGINE_VERSION = 50;
 const PREVIOUS_STRATEGY_VERSION = 49;
 const LEGACY_BUILD_STRATEGY_LINEAGE = Object.freeze({40:40,41:40});
@@ -4737,11 +4737,11 @@ function runEngineSelfTest(){
     minConv:0,maxNew:1,maxFrac:0.04,reserve:0.10,targetExposure:0.60,learning:buildAdaptiveProfile(staleEntryBook),marketLearning:{samples:0,pending:0,buckets:{}},
   },new Set(),{});
   const buildMigrationState=defaultState();
-  buildMigrationState.engine_version=57;buildMigrationState.strategy_version=SUGGESTION_ENGINE_VERSION;
+  buildMigrationState.engine_version=58;buildMigrationState.strategy_version=SUGGESTION_ENGINE_VERSION;
   buildMigrationState.agents.value.engine_baseline={version:SUGGESTION_ENGINE_VERSION,started_at:hoursAgo(2),equity:9876.54};
   reconcileStateVersions(buildMigrationState);
   const strategyMigrationState=defaultState();
-  strategyMigrationState.engine_version=57;strategyMigrationState.strategy_version=PREVIOUS_STRATEGY_VERSION;
+  strategyMigrationState.engine_version=58;strategyMigrationState.strategy_version=PREVIOUS_STRATEGY_VERSION;
   strategyMigrationState.agents.value.cash=9876.54;
   strategyMigrationState.agents.value.engine_baseline={version:PREVIOUS_STRATEGY_VERSION,started_at:hoursAgo(2),equity:10000};
   reconcileStateVersions(strategyMigrationState);

scripts/test-server-state.mjs

@@ -13,7 +13,7 @@ const originalNeonUrl = process.env.NEON_DATABASE_URL;
 process.env.DATABASE_URL = "not-a-postgres-url";
 process.env.NEON_DATABASE_URL = "postgresql://alias:pass@example.test/db";
 assert.equal(databaseUrl(), process.env.NEON_DATABASE_URL);
-assert.deepEqual(databaseUrls(), [process.env.NEON_DATABASE_URL, "not-a-postgres-url"]);
+assert.deepEqual(databaseUrls(), [process.env.NEON_DATABASE_URL]);
 process.env.DATABASE_URL = "postgresql://stale:pass@example.test/db";
 assert.deepEqual(databaseUrls(), [process.env.DATABASE_URL, process.env.NEON_DATABASE_URL]);
 if (originalDatabaseUrl === undefined) delete process.env.DATABASE_URL;
@@ -40,5 +40,6 @@ const compactedState = compactAgentState({
 assert.equal(compactedState.signal_ledger.expired_ungraded, 7);
 assert.equal(providerErrorCode(new Error("403 Forbidden")), "authorization_failed");
 assert.equal(providerErrorCode(new Error("invalid connection string")), "invalid_connection_string");
+assert.equal(providerErrorCode(Object.assign(new Error("database rejected login"), { code: "28P01" })), "authorization_failed");
 
 console.log("server state tests passed");

sw.js

@@ -1,4 +1,4 @@
-const CACHE_NAME = "polymarket-arena-build-58";
+const CACHE_NAME = "polymarket-arena-build-59";
 const APP_SHELL = ["/", "/index.html", "/personal.html", "/cycle-worker.js"];
 
 self.addEventListener("install", event => {