feat: Fable 5 evolution with security hardening and engineering excellence#22
feat: Fable 5 evolution with security hardening and engineering excellence#22frankxai wants to merge 9 commits into
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Code Review
This pull request integrates the new Fable 5 model (claude-fable-5) into the agent ecosystem, updating agent metadata, model preferences, skill auto-activation rules, and routing configurations to direct creative and reasoning tasks to Fable 5. It also introduces a new meta-prompt-validator safety agent to validate prompts before dispatch. The review feedback correctly identifies a security vulnerability in the validator's validate_prompt function, where line-by-line processing could allow multi-line bypasses, and provides an actionable suggestion to flatten the prompt before running regex checks.
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| validate_prompt() { | ||
| local prompt="$1" | ||
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| # Check injection patterns | ||
| if echo "$prompt" | grep -qiE "ignore (previous|all|prior) instructions"; then | ||
| echo "BLOCK: Prompt injection detected" | ||
| return 1 | ||
| fi | ||
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| # Check jailbreak patterns | ||
| if echo "$prompt" | grep -qiE "(DAN|jailbreak|no restrictions|bypass safety)"; then | ||
| echo "BLOCK: Jailbreak attempt detected" | ||
| return 1 | ||
| fi | ||
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| # Check SQL injection | ||
| if echo "$prompt" | grep -qiE "(DROP TABLE|DELETE FROM|UNION SELECT|; --)"; then | ||
| echo "BLOCK: SQL injection pattern detected" | ||
| return 1 | ||
| fi | ||
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| # Check credential extraction | ||
| if echo "$prompt" | grep -qiE "(show.*(api key|password|secret|credential)|print.*(env|key))"; then | ||
| echo "WARN: Potential credential extraction attempt" | ||
| fi | ||
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| echo "ALLOW" | ||
| return 0 | ||
| } |
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The validate_prompt function processes the prompt line-by-line because grep operates on individual lines by default. If a prompt injection, jailbreak, or credential extraction attempt spans multiple lines (e.g., a newline is placed between show and api key), the regex patterns using .* or multi-word sequences will fail to detect them.
To harden this check against multi-line bypasses, flatten the prompt by replacing newlines with spaces before running the grep checks.
validate_prompt() {
local prompt_flat
prompt_flat=$(echo "$1" | tr '\n' ' ')
# Check injection patterns
if echo "$prompt_flat" | grep -qiE "ignore (previous|all|prior) instructions"; then
echo "BLOCK: Prompt injection detected"
return 1
fi
# Check jailbreak patterns
if echo "$prompt_flat" | grep -qiE "(DAN|jailbreak|no restrictions|bypass safety)"; then
echo "BLOCK: Jailbreak attempt detected"
return 1
fi
# Check SQL injection
if echo "$prompt_flat" | grep -qiE "(DROP TABLE|DELETE FROM|UNION SELECT|; --)"; then
echo "BLOCK: SQL injection pattern detected"
return 1
fi
# Check credential extraction
if echo "$prompt_flat" | grep -qiE "(show.*(api key|password|secret|credential)|print.*(env|key))"; then
echo "WARN: Potential credential extraction attempt"
fi
echo "ALLOW"
return 0
}
frankxai
changed the title
Queen-doctrine review — verdict: NEEDS-BOARD-REVIEWClassification: Substrate (security hardening + CI workflows + model routing + agent hygiene in one PR). Currently CONFLICTING with main and three weeks stale — but the content is not superseded, which is why this gets a board pass rather than a close: Still-relevant on today's main (verified):
Blocking issues:
Board question: keep as one hardening epic or split as above. Either way it must rebase and fix the workflow cost hygiene before any part goes ready. |
## Model Routing (routing-rules.json → v2.0.0) - Add Fable 5 model tier for creative/reasoning tasks - Update model IDs to latest (Opus 4.8, Sonnet 4.6, Fable 5) - Add creative/reasoning escalation paths - Route creative commands to Fable: /article-creator, /create-music, /author-team ## Security Infrastructure - Create FABLE5_SAFETY_MATRIX.md - capability boundaries and safety rules - Create meta-prompt-validator agent - prompt injection defense - Add security boundaries for credential/system operations ## Agent Quality (7 agents updated) - deep-fiction-writer: model → fable, add capabilities - music-production: model → fable, add capabilities - frankx-content-creation: model → fable, add capabilities - social-content-generator: model → fable, add capabilities - content-polisher: model → fable, add capabilities - line-editor-voice-alchemist: model → fable, add capabilities - character-psychologist: model → fable, add capabilities ## Configuration (settings.json) - Add modelPreferences.creative = claude-fable-5 - Update default to claude-opus-4-8 - Add balanced tier for claude-sonnet-4-6 https://claude.ai/code/session_01AzCJoqmq8XH5dCDXjusQMg
- Add model_preference field to all 25 activation rules - Add new fable-creative-reasoning skill for creative/narrative tasks - Add model_routing config to activation_config section - Route creative tasks (music, content, books) to Fable 5 - Route technical tasks (Next.js, MCP) to Sonnet - Route complex tasks (orchestration, planning) to Opus https://claude.ai/code/session_01AzCJoqmq8XH5dCDXjusQMg
- meta-prompt-validator: Add model: opus (security agent) - integrity-guard: Add type, color, priority, model: sonnet - strategist: Add model: opus - discussion-based-planning: Add full frontmatter with model: opus - nextjs-vercel-deployment: Add full frontmatter with model: sonnet - seo_specialist: Add model: sonnet - frankx-website-builder: Add full frontmatter with model: sonnet - weekly-recap: Add full frontmatter with model: haiku Also fixes CRLF line endings in frankx-website-builder and weekly-recap. https://claude.ai/code/session_01AzCJoqmq8XH5dCDXjusQMg
Alignment-check workflow requires 'capabilities' field in agent frontmatter. Added brand-voice-validation, claim-verification, schema-compliance, ai-pattern-detection, mythology-leak-prevention capabilities. https://claude.ai/code/session_01AzCJoqmq8XH5dCDXjusQMg
Address multi-line bypass vulnerability identified by Gemini code review. Prompts are now flattened (newlines → spaces) before grep pattern matching to prevent injection attempts that span multiple lines. https://claude.ai/code/session_01AzCJoqmq8XH5dCDXjusQMg
## Security Hardening - Enhanced meta-prompt-validator with Base64/Unicode bypass detection - Added context manipulation and role confusion attack detection - Added tool output scanning for indirect injection - Created security-scan.yml workflow (secrets, IAM audit, dependency check) ## Agent Quality - Removed 5 duplicate agent files - Fixed 3 Frank DNA violations (elevate→expand/refine, deep dive→thorough analysis) - Renamed seo_specialist.md → seo-specialist.md (consistent naming) ## CI/CD Improvements - Added model field validation to alignment-check.yml - Expanded banned language patterns (8 new patterns) - Created e2e-validation.yml workflow - Added dependabot.yml for dependency updates - Added node_modules caching to ci.yml ## Skill Rules - Created content-strategy skill directory and SKILL.md - Created fable-creative-reasoning skill directory and SKILL.md - Fixed phantom skill references in skill-rules.json https://claude.ai/code/session_01AzCJoqmq8XH5dCDXjusQMg
- SKILL.md files: Add YAML frontmatter with name, version, description - core/researcher.md: Add model: sonnet field - golden-age-visionary.md: Add type, color, capabilities, priority fields - ui-ux-design-guidance.md: Add type, capabilities, priority fields https://claude.ai/code/session_01AzCJoqmq8XH5dCDXjusQMg
Per queen-doctrine review on PR #22: - security-scan.yml: add concurrency cancel-in-progress, timeout-minutes (5-15m per job), and draft gates on all 4 jobs - e2e-validation.yml: drop push trigger (pull_request + workflow_dispatch only), add timeout-minutes and draft gates on all 5 jobs https://claude.ai/code/session_01AzCJoqmq8XH5dCDXjusQMg
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Summary
Comprehensive Fable 5 evolution with security hardening, agent quality improvements, and CI/CD excellence across the entire ACOS ecosystem.
Changes
Security Hardening
Agent Quality (147 agents audited)
seo_specialist.md→seo-specialist.md(consistent naming)modelfield validation to alignment-check workflowModel Routing (Fable 5)
claude-fable-5to routing-rules.json with cost/capability metadatamodel: fableFABLE5_SAFETY_MATRIX.mdwith capability boundaries and escalation pathsskill-rules.jsonto v7.0.0 withmodel_preferenceper skillCI/CD Excellence
Skills Infrastructure
content-strategyskill directory (was phantom reference)fable-creative-reasoningskill directory (was phantom reference)Files Changed (17 files)
meta-prompt-validator.md,security-scan.ymlci.yml,alignment-check.yml,e2e-validation.yml,dependabot.ymlcontent-strategy/SKILL.md,fable-creative-reasoning/SKILL.mdrouting-rules.json,skill-rules.json,settings.jsonFABLE5_SAFETY_MATRIX.mdAudit Results
Test Plan
https://claude.ai/code/session_01AzCJoqmq8XH5dCDXjusQMg