feat: Add llm-silent-failure-detector kit#219
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WalkthroughChangesThe kit adds a Lamatic workflow for grounding and schema checks, failure clustering, and report generation. A Next.js app submits logs and displays results, with supporting scripts, prompts, model configurations, packaging metadata, environment templates, and documentation. Silent failure detection kit
Suggested reviewers: 🚥 Pre-merge checks | ✅ 3 | ❌ 2❌ Failed checks (2 warnings)
✅ Passed checks (3 passed)
✨ Finishing Touches🧪 Generate unit tests (beta)
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Actionable comments posted: 9
🤖 Prompt for all review comments with AI agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
Inline comments:
In `@kits/llm-silent-failure-detector/apps/actions/orchestrate.ts`:
- Around line 50-63: Update the catch block in detectSilentFailures so
unrecognized Error messages use a generic user-safe fallback instead of
returning error.message. Preserve the existing network and authentication
mappings, and keep the returned { success: false, error: message } shape
unchanged.
- Around line 1-3: Update the imports in orchestrate.ts to read the flow step
from ../../lamatic.config and derive the flow ID from that configuration. Remove
the FLOW_ID dependency from `@/lib/lamatic-client` while preserving the existing
lamaticClient usage.
In `@kits/llm-silent-failure-detector/apps/app/globals.css`:
- Around line 5-8: Update the global styles by defining --background and
--foreground in :root, then change the body background-color and color
declarations to use var(--background) and var(--foreground) instead of hardcoded
values.
In `@kits/llm-silent-failure-detector/apps/app/page.tsx`:
- Around line 35-41: Update the JSON parsing and validation in the page’s log
submission handler to validate parsed data against the existing zod LogEntry
schema, not only with Array.isArray. Ensure every entry is validated and
malformed input triggers the existing error path before dispatching to
detectSilentFailures, while preserving the current valid-input flow.
In `@kits/llm-silent-failure-detector/apps/package.json`:
- Around line 12-16: Update the dependencies in package.json to replace the
floating lamatic “latest” range with an exact tested SDK version, then
regenerate and commit the corresponding lockfile so installs remain
reproducible.
- Line 24: Upgrade the app’s Tailwind CSS setup from v3 to v4+: update the
tailwindcss dependency, replace the v3 PostCSS plugin configuration with the
v4-compatible plugin, and migrate stylesheet `@tailwind` directives to the v4
format. Keep the dependency, PostCSS configuration, and stylesheet changes
consistent so the app builds with Tailwind v4.
- Around line 6-10: Update the package configuration’s lint setup: either
declare ESLint and its required configuration as development dependencies so the
existing “lint” script works after a clean install, or remove the “lint” script.
Keep the chosen setup internally consistent and ensure npm run lint does not
reference an unavailable tool.
In `@kits/llm-silent-failure-detector/apps/tailwind.config.ts`:
- Around line 1-11: Upgrade the app’s Tailwind setup to v4: replace the
JavaScript configuration in tailwind.config.ts with the CSS-based `@theme`
approach, update postcss.config.mjs to use `@tailwindcss/postcss`, and change the
tailwindcss dependency in kits/llm-silent-failure-detector/apps/package.json to
^4. Ensure kits/llm-silent-failure-detector/apps/tailwind.config.ts lines 1-11
and kits/llm-silent-failure-detector/apps/postcss.config.mjs lines 1-6 are
updated as part of the migration.
In `@kits/llm-silent-failure-detector/README.md`:
- Around line 20-22: Resolve the Markdownlint issues across the documentation:
in kits/llm-silent-failure-detector/README.md lines 20-22, restart the second
ordered list at 1, 2, and 3; at line 45, add a language identifier such as text
to the architecture code fence; and at line 115, add exactly one trailing
newline. Add exactly one trailing newline to
kits/llm-silent-failure-detector/agent.md line 26, and surround every fenced
code block in kits/llm-silent-failure-detector/apps/README.md lines 7-22 with
blank lines.
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Fix all unresolved CodeRabbit comments on this PR:
- Push a commit to this branch (recommended)
- Create a new PR with the fixes
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⛔ Files ignored due to path filters (1)
kits/llm-silent-failure-detector/apps/package-lock.jsonis excluded by!**/package-lock.json
📒 Files selected for processing (27)
kits/llm-silent-failure-detector/.gitignorekits/llm-silent-failure-detector/README.mdkits/llm-silent-failure-detector/agent.mdkits/llm-silent-failure-detector/apps/.env.examplekits/llm-silent-failure-detector/apps/.gitignorekits/llm-silent-failure-detector/apps/README.mdkits/llm-silent-failure-detector/apps/actions/orchestrate.tskits/llm-silent-failure-detector/apps/app/globals.csskits/llm-silent-failure-detector/apps/app/layout.tsxkits/llm-silent-failure-detector/apps/app/page.tsxkits/llm-silent-failure-detector/apps/lib/lamatic-client.tskits/llm-silent-failure-detector/apps/next-env.d.tskits/llm-silent-failure-detector/apps/next.config.mjskits/llm-silent-failure-detector/apps/package.jsonkits/llm-silent-failure-detector/apps/postcss.config.mjskits/llm-silent-failure-detector/apps/tailwind.config.tskits/llm-silent-failure-detector/apps/tsconfig.jsonkits/llm-silent-failure-detector/constitutions/default.mdkits/llm-silent-failure-detector/flows/agentkit-challenge.tskits/llm-silent-failure-detector/lamatic.config.tskits/llm-silent-failure-detector/model-configs/agentkit-challenge_instructor-llmnode-260_generative-model-name.tskits/llm-silent-failure-detector/model-configs/agentkit-challenge_instructor-llmnode-330_generative-model-name.tskits/llm-silent-failure-detector/model-configs/agentkit-challenge_vectorize-node-123_embedding-model-name.tskits/llm-silent-failure-detector/prompts/agentkit-challenge_instructor-llmnode-260_system_0.mdkits/llm-silent-failure-detector/prompts/agentkit-challenge_instructor-llmnode-260_user_1.mdkits/llm-silent-failure-detector/prompts/agentkit-challenge_instructor-llmnode-330_system_0.mdkits/llm-silent-failure-detector/prompts/agentkit-challenge_instructor-llmnode-330_user_1.md
| "dependencies": { | ||
| "lamatic": "latest", | ||
| "next": "16.0.0", | ||
| "react": "19.2.0", | ||
| "react-dom": "19.2.0" |
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🔒 Security & Privacy | 🔵 Trivial | ⚡ Quick win
Pin the Lamatic SDK to a tested version.
Using "lamatic": "latest" allows fresh installs to change SDK behavior without a source change. Pin an exact compatible version and commit the lockfile for reproducible builds.
🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
In `@kits/llm-silent-failure-detector/apps/package.json` around lines 12 - 16,
Update the dependencies in package.json to replace the floating lamatic “latest”
range with an exact tested SDK version, then regenerate and commit the
corresponding lockfile so installs remain reproducible.
| "@types/react-dom": "^19", | ||
| "autoprefixer": "^10.4.20", | ||
| "postcss": "^8.5", | ||
| "tailwindcss": "^3.4.13", |
There was a problem hiding this comment.
📐 Maintainability & Code Quality | 🟠 Major | 🏗️ Heavy lift
🧩 Analysis chain
🏁 Script executed:
#!/bin/bash
set -euo pipefail
printf '\n## package.json\n'
cat -n kits/llm-silent-failure-detector/apps/package.json | sed -n '1,140p'
printf '\n## tailwind references in kit\n'
rg -n --hidden --glob 'kits/llm-silent-failure-detector/**' 'tailwindcss|`@tailwind`|postcss' .
printf '\n## kit docs / config files\n'
git ls-files 'kits/llm-silent-failure-detector/**' | rg '(^|/)(README|package\.json|postcss\.config|tailwind|globals\.css|app\.css|layout\.tsx|layout\.ts|next\.config\.mjs|tsconfig\.json|\.env\.example)$'Repository: Lamatic/AgentKit
Length of output: 6994
🏁 Script executed:
#!/bin/bash
set -euo pipefail
printf '\n## postcss.config.mjs\n'
cat -n kits/llm-silent-failure-detector/apps/postcss.config.mjs
printf '\n## app/globals.css\n'
cat -n kits/llm-silent-failure-detector/apps/app/globals.css
printf '\n## tailwind.config.ts\n'
cat -n kits/llm-silent-failure-detector/apps/tailwind.config.tsRepository: Lamatic/AgentKit
Length of output: 797
Mission update: move this app to Tailwind CSS 4+. tailwindcss is still pinned to 3.4.13, and the PostCSS plugin plus @tailwind directives are still v3-style. Upgrade the dependency and migrate the PostCSS/stylesheet setup together.
🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
In `@kits/llm-silent-failure-detector/apps/package.json` at line 24, Upgrade the
app’s Tailwind CSS setup from v3 to v4+: update the tailwindcss dependency,
replace the v3 PostCSS plugin configuration with the v4-compatible plugin, and
migrate stylesheet `@tailwind` directives to the v4 format. Keep the dependency,
PostCSS configuration, and stylesheet changes consistent so the app builds with
Tailwind v4.
Source: Coding guidelines
| import type { Config } from "tailwindcss" | ||
|
|
||
| const config: Config = { | ||
| content: ["./app/**/*.{ts,tsx}", "./components/**/*.{ts,tsx}"], | ||
| theme: { | ||
| extend: {}, | ||
| }, | ||
| plugins: [], | ||
| } | ||
|
|
||
| export default config |
There was a problem hiding this comment.
📐 Maintainability & Code Quality | 🟠 Major | 🏗️ Heavy lift
🧩 Analysis chain
🏁 Script executed:
#!/bin/bash
# Check the Tailwind version and related deps in package.json
rg -n '"tailwindcss"|"`@tailwindcss/postcss`"|"autoprefixer"' kits/llm-silent-failure-detector/apps/package.jsonRepository: Lamatic/AgentKit
Length of output: 222
Upgrade this kit to Tailwind CSS v4+
kits/llm-silent-failure-detector/apps/package.json still pins tailwindcss to ^3.4.13, and the app configs are still on the v3 PostCSS/JS setup. Move the app to the v4 flow: @tailwindcss/postcss, CSS-based @theme config, and tailwindcss@^4.
📍 Affects 2 files
kits/llm-silent-failure-detector/apps/tailwind.config.ts#L1-L11(this comment)kits/llm-silent-failure-detector/apps/postcss.config.mjs#L1-L6
🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
In `@kits/llm-silent-failure-detector/apps/tailwind.config.ts` around lines 1 -
11, Upgrade the app’s Tailwind setup to v4: replace the JavaScript configuration
in tailwind.config.ts with the CSS-based `@theme` approach, update
postcss.config.mjs to use `@tailwindcss/postcss`, and change the tailwindcss
dependency in kits/llm-silent-failure-detector/apps/package.json to ^4. Ensure
kits/llm-silent-failure-detector/apps/tailwind.config.ts lines 1-11 and
kits/llm-silent-failure-detector/apps/postcss.config.mjs lines 1-6 are updated
as part of the migration.
Source: Coding guidelines
|
Addressed all CodeRabbit feedback in the latest commit. All checks are now passing |
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Actionable comments posted: 4
🤖 Prompt for all review comments with AI agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
Inline comments:
In
`@kits/llm-silent-failure-detector/scripts/agentkit-challenge_code-node-476_code.ts`:
- Around line 12-14: The fallback return in the branch orchestration flow must
satisfy the DetectionReport contract instead of returning only an error field.
Update the fallback near the existing “No output available from either branch”
response to return a valid empty report containing the required summary and
failure_modes fields, so orchestrate.ts accepts it as a normal response.
In
`@kits/llm-silent-failure-detector/scripts/agentkit-challenge_code-node-676_code.ts`:
- Around line 1-21: Update cosineSimilarity’s initial input validation to
require both embeddings to have equal lengths, alongside the existing
Array.isArray checks. Throw the same invalid-embeddings error when lengths
differ, before the calculation loop runs.
In
`@kits/llm-silent-failure-detector/scripts/agentkit-challenge_code-node-789_code.ts`:
- Around line 14-19: Node 789 omits the id and response fields required by
downstream consumers. In
kits/llm-silent-failure-detector/scripts/agentkit-challenge_code-node-789_code.ts:14-19,
extend the object pushed by flagged.push to reuse r.codeNode_805.output.id and
r.codeNode_805.output.response; no direct changes are needed in
kits/llm-silent-failure-detector/scripts/agentkit-challenge_code-node-575_code.ts:9-9
or
kits/llm-silent-failure-detector/scripts/agentkit-challenge_code-node-832_code.ts:5-6
because they will receive the restored fields.
In
`@kits/llm-silent-failure-detector/scripts/agentkit-challenge_code-node-978_code.ts`:
- Around line 3-16: Update the result-building flow around the failures map to
return the DetectionReport shape: provide summary with total_logs, flagged, and
clusters, and expose the mapped results as failure_modes. Ensure each failure
mode includes count and examples derived from the current cluster members,
passing members through forLoopNode_344 so forLoopEndNode_282.output.loopOutput
retains them alongside the LLM output.
🪄 Autofix (Beta)
Fix all unresolved CodeRabbit comments on this PR:
- Push a commit to this branch (recommended)
- Create a new PR with the fixes
ℹ️ Review info
⚙️ Run configuration
Configuration used: Repository UI (base), Organization UI (inherited)
Review profile: ASSERTIVE
Plan: Pro
Run ID: 6611d82a-ba22-4213-88a0-2d839d13061b
📒 Files selected for processing (7)
kits/llm-silent-failure-detector/scripts/agentkit-challenge_code-node-476_code.tskits/llm-silent-failure-detector/scripts/agentkit-challenge_code-node-575_code.tskits/llm-silent-failure-detector/scripts/agentkit-challenge_code-node-676_code.tskits/llm-silent-failure-detector/scripts/agentkit-challenge_code-node-789_code.tskits/llm-silent-failure-detector/scripts/agentkit-challenge_code-node-805_code.tskits/llm-silent-failure-detector/scripts/agentkit-challenge_code-node-832_code.tskits/llm-silent-failure-detector/scripts/agentkit-challenge_code-node-978_code.ts
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Actionable comments posted: 2
🤖 Prompt for all review comments with AI agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
Inline comments:
In
`@kits/llm-silent-failure-detector/prompts/agentkit-challenge_instructor-llmnode-260_system_0.md`:
- Line 2: Update the instruction text in the cluster-response guidance so the
sentence boundary after “responses.” includes a space before “If”; preserve the
surrounding wording and behavior unchanged.
In
`@kits/llm-silent-failure-detector/scripts/agentkit-challenge_code-node-676_code.ts`:
- Around line 42-53: Update the cluster-assignment loop to recalculate
cluster.centroidEmbedding whenever a member is added, using an incremental
running average that includes the existing centroid and new member embedding.
Preserve the current similarity threshold, membership push, placement flag, and
new-cluster initialization behavior.
🪄 Autofix (Beta)
Fix all unresolved CodeRabbit comments on this PR:
- Push a commit to this branch (recommended)
- Create a new PR with the fixes
ℹ️ Review info
⚙️ Run configuration
Configuration used: Repository UI (base), Organization UI (inherited)
Review profile: ASSERTIVE
Plan: Pro
Run ID: 13a2ade4-9e20-49cd-927d-7e44770304b0
📒 Files selected for processing (9)
kits/llm-silent-failure-detector/flows/agentkit-challenge.tskits/llm-silent-failure-detector/model-configs/agentkit-challenge_instructor-llmnode-260_generative-model-name.tskits/llm-silent-failure-detector/model-configs/agentkit-challenge_instructor-llmnode-330_generative-model-name.tskits/llm-silent-failure-detector/prompts/agentkit-challenge_instructor-llmnode-260_system_0.mdkits/llm-silent-failure-detector/scripts/agentkit-challenge_code-node-476_code.tskits/llm-silent-failure-detector/scripts/agentkit-challenge_code-node-575_code.tskits/llm-silent-failure-detector/scripts/agentkit-challenge_code-node-676_code.tskits/llm-silent-failure-detector/scripts/agentkit-challenge_code-node-832_code.tskits/llm-silent-failure-detector/scripts/agentkit-challenge_code-node-978_code.ts
| @@ -0,0 +1,6 @@ | |||
| You are an expert LLM reliability engineer. | |||
| You will receive a cluster of similar failed LLM responses.If a failure includes a "Schema Errors:" line, treat that as the primary failure reason — it means specific fields were missing or malformed, not that the model added extra conversational text. Only describe it as a grounding/hallucination issue if there is no "Schema Errors:" line present. | |||
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📐 Maintainability & Code Quality | 🟡 Minor | ⚡ Quick win
Missing space: "responses.If" should be "responses. If".
The sentence boundary between "responses." and "If" is missing a space, which could affect LLM parsing of the instruction.
✏️ Proposed fix
-You will receive a cluster of similar failed LLM responses.If a failure includes a "Schema Errors:" line, treat that as the primary failure reason — it means specific fields were missing or malformed, not that the model added extra conversational text. Only describe it as a grounding/hallucination issue if there is no "Schema Errors:" line present.
+You will receive a cluster of similar failed LLM responses. If a failure includes a "Schema Errors:" line, treat that as the primary failure reason — it means specific fields were missing or malformed, not that the model added extra conversational text. Only describe it as a grounding/hallucination issue if there is no "Schema Errors:" line present.📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| You will receive a cluster of similar failed LLM responses.If a failure includes a "Schema Errors:" line, treat that as the primary failure reason — it means specific fields were missing or malformed, not that the model added extra conversational text. Only describe it as a grounding/hallucination issue if there is no "Schema Errors:" line present. | |
| You will receive a cluster of similar failed LLM responses. If a failure includes a "Schema Errors:" line, treat that as the primary failure reason — it means specific fields were missing or malformed, not that the model added extra conversational text. Only describe it as a grounding/hallucination issue if there is no "Schema Errors:" line present. |
🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
In
`@kits/llm-silent-failure-detector/prompts/agentkit-challenge_instructor-llmnode-260_system_0.md`
at line 2, Update the instruction text in the cluster-response guidance so the
sentence boundary after “responses.” includes a space before “If”; preserve the
surrounding wording and behavior unchanged.
| for (const cluster of clusters) { | ||
| const sim = cosineSimilarity(embedding, cluster.centroidEmbedding); | ||
| if (sim >= SIMILARITY_THRESHOLD) { | ||
| cluster.members.push(member); | ||
| placed = true; | ||
| break; | ||
| } | ||
| } | ||
|
|
||
| if (!placed) { | ||
| clusters.push({ centroidEmbedding: embedding, members: [member] }); | ||
| } |
There was a problem hiding this comment.
🚀 Performance & Scalability | 🔵 Trivial | 💤 Low value
Consider updating centroid when adding new members.
The centroid is set to the first member's embedding and never recalculated when subsequent members join. With the 0.72 threshold this works, but updating the centroid (e.g., running average) would improve cluster cohesion and reduce over-fragmentation.
♻️ Optional: incremental centroid update
if (sim >= SIMILARITY_THRESHOLD) {
+ const n = cluster.members.length;
+ for (let i = 0; i < embedding.length; i++) {
+ cluster.centroidEmbedding[i] = (cluster.centroidEmbedding[i] * n + embedding[i]) / (n + 1);
+ }
cluster.members.push(member);
placed = true;
break;
}📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| for (const cluster of clusters) { | |
| const sim = cosineSimilarity(embedding, cluster.centroidEmbedding); | |
| if (sim >= SIMILARITY_THRESHOLD) { | |
| cluster.members.push(member); | |
| placed = true; | |
| break; | |
| } | |
| } | |
| if (!placed) { | |
| clusters.push({ centroidEmbedding: embedding, members: [member] }); | |
| } | |
| for (const cluster of clusters) { | |
| const sim = cosineSimilarity(embedding, cluster.centroidEmbedding); | |
| if (sim >= SIMILARITY_THRESHOLD) { | |
| const n = cluster.members.length; | |
| for (let i = 0; i < embedding.length; i++) { | |
| cluster.centroidEmbedding[i] = (cluster.centroidEmbedding[i] * n + embedding[i]) / (n + 1); | |
| } | |
| cluster.members.push(member); | |
| placed = true; | |
| break; | |
| } | |
| } | |
| if (!placed) { | |
| clusters.push({ centroidEmbedding: embedding, members: [member] }); | |
| } |
🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
In
`@kits/llm-silent-failure-detector/scripts/agentkit-challenge_code-node-676_code.ts`
around lines 42 - 53, Update the cluster-assignment loop to recalculate
cluster.centroidEmbedding whenever a member is added, using an incremental
running average that includes the existing centroid and new member embedding.
Preserve the current similarity threshold, membership push, placement flag, and
new-cluster initialization behavior.
|
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✅ Action performedReview finished.
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|
/validate |
|
📡 Running Studio validation — results will appear here shortly. |
Studio Runtime Validation (Phase 2)✅ Studio validation passed. The kit loaded successfully in Lamatic Studio. This PR is ready for final review and merge. |
|
@coderabbitai review |
✅ Action performedReview finished.
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2 participants
An agent that detects silent LLM failures — ungrounded claims and schema violations — across a batch of interaction logs, clustering flagged failures into named failure modes with suggested fixes. Standard monitoring (latency, error rate) misses these because the model still returns a 200 with a plausible-looking response.
Scope: v1 covers grounding + schema checks with embedding-based clustering. Cross-model disagreement checking and computation verification are documented as v2 next steps in the README, not silently missing.
Please label this
agentkit-challengeas per the challenge instructions.kits/llm-silent-failure-detector/kit:README.mdagent.mdconstitutions/default.mdlamatic.config.ts/.env.example/.gitignore(ignores.lamatic/,node_modules/, and local env files)flows/agentkit-challenge.ts(end-to-end failure detection workflow)model-configs/agentkit-challenge_instructor-llmnode-260_generative-model-name.tsmodel-configs/agentkit-challenge_instructor-llmnode-330_generative-model-name.tsmodel-configs/agentkit-challenge_vectorize-node-123_embedding-model-name.tsprompts/agentkit-challenge_instructor-llmnode-260_system_0.mdprompts/agentkit-challenge_instructor-llmnode-260_user_1.mdprompts/agentkit-challenge_instructor-llmnode-330_system_0.mdprompts/agentkit-challenge_instructor-llmnode-330_user_1.mdagentkit-challenge):scripts/agentkit-challenge_code-node-476_code.ts(selects/normalizes final report payload)scripts/agentkit-challenge_code-node-575_code.ts(builds single failure mode output)scripts/agentkit-challenge_code-node-676_code.ts(embedding + cosine-similarity clustering)scripts/agentkit-challenge_code-node-789_code.ts(flags ungrounded claims + schema errors)scripts/agentkit-challenge_code-node-805_code.ts(schema validator: parse JSON + required fields)scripts/agentkit-challenge_code-node-832_code.ts(formats texts for embedding + includes schema-note)scripts/agentkit-challenge_code-node-978_code.ts(converts clusters into{ name, description, suggested_direction, count, examples })kits/llm-silent-failure-detector/apps/README.mdpackage.jsontsconfig.jsonnext.config.mjsnext-env.d.tstailwind.config.tspostcss.config.mjseslint.config.mjs.env.example(Lamatic credentials placeholders)/.gitignore(ignores dev artifacts,.env*, and*.log)app/layout.tsxapp/page.tsx(UI: paste JSON logs → run detection → render clustered failure modes)app/globals.cssactions/orchestrate.ts(detectSilentFailures(logs)server action; Zod validation +lamaticClient.executeFlow)lib/lamatic-client.ts(env validation + Lamatic SDK client)flows/agentkit-challenge.ts):triggerNode,forLoopNode,forLoopEndNode,dynamicNode,conditionNode,responseNode, plusmodel(model config inputs)defaultEdge,loopEdge,conditionEdge,responseEdgeagentkit-challenge):triggerNode_1accepts an API request containinglogs[](prompt/context/response/optionalexpected_schema)forLoopNode_584iterates over logs:InstructorLLMNode_330to perform conservative grounding checks (flags ungrounded claims)codeNode_805to deterministically validateexpected_schema(flags JSON parse failures + missing required fields)forLoopEndNode_195intocodeNode_789, producingflagged_countandflagged_logsconditionNode_234branches onflagged_count <= 1:codeNode_575creates a single “Ungrouped Failure” failure-mode payloadforLoopNode_824iterates overflagged_logscodeNode_832formats response+reason(+optional schema errors) for embeddingvectorizeNode_123generates embeddingscodeNode_676clusters failures using cosine similarity (threshold-based cluster assignment)InstructorLLMNode_260names each cluster and suggests an engineering fixcodeNode_978converts cluster results into the finalfailure_modeslistcodeNode_476normalizes/chooses the correct output shape andresponseNode_triggerNode_1returns{ summary, failure_modes }to the caller.