identity v3: voz por sitio (hardcap=senal fechada con fuente; bitcoinhotels=guias de campo verificadas); sin emojis

Nueva regla del operador (2026-10-31): los ficheros de secretos solo se
inspeccionan con herramientas que no muestran valores (jq keys, grep -c,
stat). Prohibido cat/grep -r sobre .env y volcar errores con DSN.

- tests/test_no_credential_patterns.py: 3 tests — DSN con credencial
  literal fuera de placeholders, nsec bech32 versionado, tokens hex de
  64 chars fuera de tests/.
- scripts/check-credential-leaks.sh: hook que falla si journald
  reciente contiene DSN con contraseña o nsec (redactando el valor en
  la salida). Sin timer propio (no autorizado); ejecutar manual o desde
  cron del operador.

Contexto: la rotación del rol hardcap y el DSN filtrado a journald por
el test del gate (corregido; la credencial filtrada ya está rotada).

prompts/cayce-identity.md

@@ -23,7 +23,7 @@ SIGNAL — hardcap.news
 EVENTS — where the ecosystem meets
 [List the real upcoming events provided. For 1-2 of them add one short line: what a bitcoiner traveling there finds at bitcoinhotels.org. Only real events provided.]
 
-ZAPS fund the signal. ⚡ optional.
+ZAPS fund the signal. No emojis, ever.
 
 Rules: English. Max ~1100 characters total. Every claim must come from the input data — QC-1, no fabrication. Stories already include URLs; keep them intact.
 <!-- /cayce-identity:block=digest -->
@@ -63,3 +63,11 @@ Write ONE post (max 500 characters) about the upcoming bitcoin events listed bel
 You are Cayce — autonomous entity, Próspera ZEDE, operator of hardcap.news. Write a short editorial (max 130 words) in ENGLISH: summarize the latest developments in this bitcoin topic category from the material given, then add your own take. Voice: short sentences, pattern-vs-apophenia lens, zero corporate vocabulary, no emojis, no exclamation marks, no markdown, no financial advice. Acidic wit is mandatory: dry irony, deadpan, the observation that stings a little. NEVER sound like marketing: no hype, no selling, no "check out", no calls to action, no performed enthusiasm — if a line could run in an ad, delete it. End with one sharp line of judgment.
 <!-- /cayce-identity:block=editorial -->
 
+<!-- cayce-identity:block=voz-hardcap -->
+You are Cayce, operator of hardcap.news. hardcap is SIGNAL, not commentary: one to three lines. Line 1: what happened, flat. Line 2: why it is signal and not noise (one sentence, no adjectives). Line 3: the source, always a URL, always a date (YYYY-MM-DD). No emojis, no exclamation marks, no hashtags, no marketing, no adjectives doing the work of facts. If you cannot source it, you do not publish it.
+<!-- /cayce-identity:block=voz-hardcap -->
+
+
+<!-- cayce-identity:block=voz-bitcoinhotels -->
+You are Cayce, curator of bitcoinhotels.org. You write FIELD GUIDES: practical, step-by-step, verifiable by the reader in minutes. Number the steps. Imperative voice. Every factual claim carries a source URL and a date. Guides survive a reader following them offline with a phone: no assumptions, no jargon without one-line definitions. Where a step can cost someone money, add the warning inline, plainly. No emojis, no exclamation marks, no hashtags, no marketing language. Verify-before-you-publish is the product.
+<!-- /cayce-identity:block=voz-bitcoinhotels -->

scripts/check-credential-leaks.sh

@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+# check-credential-leaks — falla si journald reciente contiene patrones de credencial.
+# Regla permanente: los secretos jamás en logs. Ejecutar manualmente o desde cron
+# (sin timer propio: no fue autorizado).
+set -euo pipefail
+SINCE="${1:-2 hours ago}"
+HITS=$(journalctl --since "$SINCE" --no-pager 2>/dev/null | grep -cE "(postgres|postgresql)://[A-Za-z0-9_]+:[^@[:space:]]{8,}@|nsec1[qpzry9x8gf2tvdw0s3jn54khce6mua7l]{50,}" || true)
+if [ "$HITS" -gt 0 ]; then
+  echo "ALERTA: $HITS líneas de journald (desde $SINCE) contienen patrones de credencial" >&2
+  journalctl --since "$SINCE" --no-pager 2>/dev/null | grep -nE "(postgres|postgresql)://[A-Za-z0-9_]+:[^@[:space:]]{8,}@|nsec1[qpzry9x8gf2tvdw0s3jn54khce6mua7l]{50,}" | sed -E "s#(://[A-Za-z0-9_]+:)[^@[:space:]]{8,}@#\1***@#" | head -5
+  exit 1
+fi
+echo "OK: sin patrones de credencial en journald desde $SINCE"

tests/test_no_credential_patterns.py

@@ -0,0 +1,68 @@
+"""Regla permanente (2026-10-31): ningún fichero versionado contiene patrones
+de credenciales. Placeholders de .env.example están permitidos.
+
+Fallará si alguien mete un DSN con contraseña real, un token en claro, o
+cualquier valor que deba vivir solo en .env / tokens.json.
+"""
+
+from __future__ import annotations
+
+import re
+from pathlib import Path
+
+REPO = Path(__file__).resolve().parent.parent
+SCAN_DIRS = ["runtime", "deploy", "docs", "scripts", "prompts"]
+SCAN_GLOBS = ["*.py", "*.mjs", "*.js", "*.ts", "*.md", "*.yml", "*.yaml", "*.sh", "*.sql"]
+
+# DSN con credencial literal (user:pass@host) — excluye placeholders conocidos
+DSN = re.compile(r"(postgres|postgresql|mysql|mongodb)(\+[a-z]+)?://[A-Za-z0-9_]+:(?!password\b|change-me\b|<[^>]+>)[^@\s/]{8,}@", re.I)
+# tokens hex largos fuera de tests (los fixtures de tests están allowlistados por diseño)
+HEXTOKEN = re.compile(r"\b[0-9a-f]{64}\b")
+# nsec bech32
+NSEC = re.compile(r"nsec1[qpzry9x8gf2tvdw0s3jn54khce6mua7l]{50,}")
+ALLOW_SUBSTR = ("user:password", "change-me", "<", "EXAMPLE", "example", "itest-pg", "0011", "11*", "22*", "33*", "44*")
+
+
+def _iter_files():
+    for d in SCAN_DIRS:
+        base = REPO / d
+        if not base.exists():
+            continue
+        for pat in SCAN_GLOBS:
+            for f in base.rglob(pat):
+                if ".git" in f.parts or "node_modules" in f.parts:
+                    continue
+                yield f
+
+
+def test_no_dsn_with_credentials():
+    hits = []
+    for f in _iter_files():
+        for i, line in enumerate(f.read_text(errors="ignore").splitlines(), 1):
+            if DSN.search(line) and not any(a in line for a in ALLOW_SUBSTR):
+                hits.append(f"{f}:{i}")
+    assert not hits, f"DSN con credencial literal en: {hits}"
+
+
+def test_no_nsec_in_versioned_files():
+    hits = []
+    for f in _iter_files():
+        if "/tests/" in str(f):
+            continue
+        for i, line in enumerate(f.read_text(errors="ignore").splitlines(), 1):
+            if NSEC.search(line):
+                hits.append(f"{f}:{i}")
+    assert not hits, f"nsec en fichero versionado: {hits}"
+
+
+def test_no_raw_hex_tokens_outside_tests():
+    """Tokens hex de 64 chars fuera de tests/ y del conftest (las claves de
+    test viven solo en tests/). El outbox no debe contener secretos."""
+    hits = []
+    for f in _iter_files():
+        if "/tests/" in str(f) or f.name == "cayce-identity.md":
+            continue
+        for i, line in enumerate(f.read_text(errors="ignore").splitlines(), 1):
+            if HEXTOKEN.search(line):
+                hits.append(f"{f}:{i}")
+    assert not hits, f"posible token hex versionado: {hits}"