diff --git a/README.md b/README.md
index 6522d33..8d54947 100644
--- a/README.md
+++ b/README.md
@@ -73,6 +73,7 @@ _Backend & infrastructure focus. Agent/language-agnostic. Continuously maintaine
 - [Restate — AI agents](https://docs.restate.dev/use-cases/ai-agents) — Lightweight durable execution; agents as virtual objects.
 - [Hatchet — Durable Tasks](https://docs.hatchet.run/v1/durable-tasks) — Postgres-backed task queue with agent-aware patterns (agentic loops, HITL).
 - [DBOS — Durable Execution for Building Crashproof AI Agents](https://www.dbos.dev/blog/durable-execution-crashproof-ai-agents) — Postgres-as-runtime; smaller-team alternative to Temporal.
+- [Fault Tolerance in LangGraph: Retries, Timeouts and Error Handlers](https://www.langchain.com/blog/fault-tolerance-in-langgraph) — LangChain. Three fault-tolerance primitives inside LangGraph — RetryPolicy (backoff retries), TimeoutPolicy (wall-clock and idle caps), and error_handler (post-retry cleanup) — plus how to compose them and apply the SAGA pattern for multi-step workflows with real-world side effects.
 
 ## 5. Memory systems
 
diff --git a/resources.yaml b/resources.yaml
index 5df0eff..57c819b 100644
--- a/resources.yaml
+++ b/resources.yaml
@@ -96,7 +96,8 @@ sections:
       and RCE write-ups for agents.
   - id: coding-agent-infra
     order: 13
-    title: "Coding agent infrastructure (read for harness design even if not building one)"
+    title: "Coding agent infrastructure (read for harness design even if not building
+      one)"
     description: |
       Harness design, hook systems, tool allowlists, and operational patterns
       for building and running coding agents — Claude Code best practices, the
@@ -123,19 +124,23 @@ top_7:
 worth_following:
   - name: Anthropic Engineering
     url: https://www.anthropic.com/engineering
-    blurb: Engineering posts from the model-maker — agents, tooling, and operational patterns.
+    blurb: Engineering posts from the model-maker — agents, tooling, and 
+      operational patterns.
     verified_at: &id001 2026-06-08
   - name: Cognition blog
     url: https://cognition.ai/blog
-    blurb: Case studies on building Devin; the productive disagreement to "Don't Build Multi-Agents."
+    blurb: Case studies on building Devin; the productive disagreement to "Don't
+      Build Multi-Agents."
     verified_at: *id001
   - name: Simon Willison
     url: https://simonwillison.net/
-    blurb: The field's running curator — daily-ish takes on LLMs, agents, and prompt injection.
+    blurb: The field's running curator — daily-ish takes on LLMs, agents, and 
+      prompt injection.
     verified_at: *id001
   - name: Embrace The Red
     url: https://embracethered.com/blog/
-    blurb: Johann Rehberger's red-team blog — concrete agent exploits and bypass techniques.
+    blurb: Johann Rehberger's red-team blog — concrete agent exploits and bypass
+      techniques.
     verified_at: *id001
   - name: Cloudflare AI agents tag
     url: https://blog.cloudflare.com/tag/ai-agents/
@@ -173,11 +178,13 @@ resources:
     superseded_by: null
     notes: null
     top_7_author: "Anthropic (Schluntz/Zhang)"
-    top_7_blurb: 'The "workflows vs agents" mental model that everything else builds on.'
+    top_7_blurb: 'The "workflows vs agents" mental model that everything else builds
+      on.'
 
   - id: effective-context-engineering
     section: foundations
-    url: https://www.anthropic.com/engineering/effective-context-engineering-for-ai-agents
+    url: 
+      https://www.anthropic.com/engineering/effective-context-engineering-for-ai-agents
     title: "Effective context engineering for AI agents"
     author: "Anthropic"
     type: article
@@ -191,7 +198,8 @@ resources:
     paywall: false
     superseded_by: null
     notes: null
-    top_7_blurb: "The successor concept to prompt engineering; defines the actual job."
+    top_7_blurb: "The successor concept to prompt engineering; defines the actual
+      job."
 
   - id: writing-effective-tools
     section: foundations
@@ -200,7 +208,8 @@ resources:
     author: "Anthropic"
     type: article
     license: null
-    blurb: "Tools as contracts between deterministic and non-deterministic systems; eval-driven tool refinement."
+    blurb: "Tools as contracts between deterministic and non-deterministic systems;
+      eval-driven tool refinement."
     cluster: null
     tags: [tools]
     added_at: 2026-05-03
@@ -212,12 +221,14 @@ resources:
 
   - id: effective-harnesses
     section: foundations
-    url: https://www.anthropic.com/engineering/effective-harnesses-for-long-running-agents
+    url: 
+      https://www.anthropic.com/engineering/effective-harnesses-for-long-running-agents
     title: "Effective harnesses for long-running agents"
     author: "Anthropic"
     type: article
     license: null
-    blurb: "Initializer + worker pattern for cross-context continuity (claude-progress.txt + git)."
+    blurb: "Initializer + worker pattern for cross-context continuity (claude-progress.txt
+      + git)."
     cluster: null
     tags: [harness, long-running]
     added_at: 2026-05-03
@@ -263,7 +274,8 @@ resources:
 
   - id: openai-practical-guide
     section: foundations
-    url: https://cdn.openai.com/business-guides-and-resources/a-practical-guide-to-building-agents.pdf
+    url: 
+      https://cdn.openai.com/business-guides-and-resources/a-practical-guide-to-building-agents.pdf
     title: "A practical guide to building agents (PDF)"
     author: "OpenAI"
     type: article
@@ -296,7 +308,8 @@ resources:
     superseded_by: null
     notes: null
     top_7_author: "Dex Horthy / HumanLayer"
-    top_7_blurb: 'Heroku''s 12-factor reframed for LLM systems; the canonical "agents are mostly software" doctrine.'
+    top_7_blurb: 'Heroku''s 12-factor reframed for LLM systems; the canonical "agents
+      are mostly software" doctrine.'
 
   - id: twelve-factor-agents-talk
     section: foundations
@@ -331,7 +344,8 @@ resources:
     paywall: false
     superseded_by: null
     notes: null
-    top_7_blurb: "Read alongside #4 — the productive disagreement at the heart of agent architecture in 2025/26."
+    top_7_blurb: "Read alongside #4 — the productive disagreement at the heart of
+      agent architecture in 2025/26."
 
   - id: agentic-engineering-patterns
     section: foundations
@@ -357,7 +371,8 @@ resources:
     author: "Simon Willison"
     type: article
     license: null
-    blurb: "Private data + untrusted content + exfiltration channel = the agent threat model."
+    blurb: "Private data + untrusted content + exfiltration channel = the agent threat
+      model."
     cluster: null
     tags: [security, threat-model]
     added_at: 2026-05-03
@@ -457,7 +472,8 @@ resources:
 
   - id: mcp-authorization
     section: tools-mcp
-    url: https://modelcontextprotocol.io/specification/2025-11-25/basic/authorization
+    url: 
+      https://modelcontextprotocol.io/specification/2025-11-25/basic/authorization
     title: "MCP — Authorization"
     author: null
     type: spec
@@ -559,7 +575,8 @@ resources:
 
   - id: a2a-announcement
     section: tools-mcp
-    url: https://developers.googleblog.com/en/a2a-a-new-era-of-agent-interoperability/
+    url: 
+      https://developers.googleblog.com/en/a2a-a-new-era-of-agent-interoperability/
     title: "Announcing the Agent2Agent Protocol (A2A)"
     author: "Google"
     type: article
@@ -608,7 +625,9 @@ resources:
     archived: false
     paywall: false
     superseded_by: null
-    notes: "Permanent home is eval-philosophy; kept hidden so the rendered output round-trips cleanly against the original (original has no section listing for this entry)."
+    notes: "Permanent home is eval-philosophy; kept hidden so the rendered output
+      round-trips cleanly against the original (original has no section listing for
+      this entry)."
     hidden: true
 
   # ----------------------------------------------------------------------
@@ -735,7 +754,8 @@ resources:
 
   - id: autogen-v04
     section: multi-agent-frameworks
-    url: https://microsoft.github.io/autogen/stable/user-guide/core-user-guide/index.html
+    url: 
+      https://microsoft.github.io/autogen/stable/user-guide/core-user-guide/index.html
     title: "AutoGen v0.4"
     author: null
     type: docs
@@ -891,7 +911,8 @@ resources:
 
   - id: temporal-durable-execution-ai
     section: durable-execution
-    url: https://temporal.io/blog/durable-execution-meets-ai-why-temporal-is-the-perfect-foundation-for-ai
+    url: 
+      https://temporal.io/blog/durable-execution-meets-ai-why-temporal-is-the-perfect-foundation-for-ai
     title: "Temporal — Durable Execution meets AI"
     author: null
     type: article
@@ -925,7 +946,8 @@ resources:
 
   - id: inngest-durable-execution
     section: durable-execution
-    url: https://www.inngest.com/blog/durable-execution-key-to-harnessing-ai-agents
+    url: 
+      https://www.inngest.com/blog/durable-execution-key-to-harnessing-ai-agents
     title: "Inngest — Durable Execution: The Key to Harnessing AI Agents in Production"
     author: null
     type: article
@@ -996,7 +1018,8 @@ resources:
   # ----------------------------------------------------------------------
   - id: anthropic-memory-tool
     section: memory-systems
-    url: https://platform.claude.com/docs/en/build-with-claude/tool-use/memory-tool
+    url: 
+      https://platform.claude.com/docs/en/build-with-claude/tool-use/memory-tool
     title: "Anthropic — Memory tool"
     author: null
     type: docs
@@ -1333,7 +1356,8 @@ resources:
     author: null
     type: docs
     license: null
-    blurb: "100+ provider proxy; OpenAI-shaped API; the boring-but-essential routing layer."
+    blurb: "100+ provider proxy; OpenAI-shaped API; the boring-but-essential routing
+      layer."
     cluster: null
     tags: [gateway, routing]
     added_at: 2026-05-03
@@ -1577,7 +1601,8 @@ resources:
     author: "UK AISI"
     type: docs
     license: "OS"
-    blurb: "**OS.** Best-in-class for agent evals; sandboxed tool use, MCP support, used by Anthropic/DeepMind."
+    blurb: "**OS.** Best-in-class for agent evals; sandboxed tool use, MCP support,
+      used by Anthropic/DeepMind."
     cluster: null
     tags: [evals, inspect-ai]
     added_at: 2026-05-03
@@ -1905,7 +1930,8 @@ resources:
     author: null
     type: spec
     license: null
-    blurb: "**Foundational.** The vendor-neutral schema for LLM/agent spans. Build to this and swap backends."
+    blurb: "**Foundational.** The vendor-neutral schema for LLM/agent spans. Build
+      to this and swap backends."
     cluster: null
     tags: [observability, opentelemetry]
     added_at: 2026-05-03
@@ -2110,7 +2136,8 @@ resources:
 
   - id: langfuse-cost-tracking
     section: production-testing
-    url: https://langfuse.com/docs/observability/features/token-and-cost-tracking
+    url: 
+      https://langfuse.com/docs/observability/features/token-and-cost-tracking
     title: "Langfuse — Cost tracking"
     author: null
     type: docs
@@ -2284,7 +2311,8 @@ resources:
 
   - id: trailofbits-prompt-injection-rce
     section: security
-    url: https://blog.trailofbits.com/2025/10/22/prompt-injection-to-rce-in-ai-agents/
+    url: 
+      https://blog.trailofbits.com/2025/10/22/prompt-injection-to-rce-in-ai-agents/
     title: "Trail of Bits — Prompt injection to RCE in AI agents"
     author: null
     type: article
@@ -2326,7 +2354,8 @@ resources:
     author: "Anthropic"
     type: docs
     license: null
-    blurb: "Hooks (PreToolUse/PostToolUse/Stop/etc.), tool allowlists, custom tools as in-process MCP."
+    blurb: "Hooks (PreToolUse/PostToolUse/Stop/etc.), tool allowlists, custom tools
+      as in-process MCP."
     cluster: null
     tags: [claude-agent-sdk, harness]
     added_at: 2026-05-03
@@ -2589,12 +2618,15 @@ resources:
     top_7_blurb: "The best single multi-agent case study, with concrete failure modes."
   - id: open-swe-langchain
     section: coding-agent-infra
-    url: https://www.langchain.com/blog/open-swe-an-open-source-framework-for-internal-coding-agents
+    url: 
+      https://www.langchain.com/blog/open-swe-an-open-source-framework-for-internal-coding-agents
     title: 'Open SWE: An Open-Source Framework for Internal Coding Agents'
     author: LangChain
     type: article
     license: null
-    blurb: Open-source SWE-agent framework built on LangGraph; covers core architectural components — task manager, programmer agent, and sandboxed execution — for deploying internal coding agents at scale.
+    blurb: Open-source SWE-agent framework built on LangGraph; covers core 
+      architectural components — task manager, programmer agent, and sandboxed 
+      execution — for deploying internal coding agents at scale.
     cluster: null
     tags:
       - coding-agent
@@ -2615,7 +2647,10 @@ resources:
     author: LangChain
     type: article
     license: null
-    blurb: Embedded interpreter runtimes let agents write code to coordinate tool calls, manage working state between steps, and control what gets surfaced into model context — reducing token pressure and enabling finer-grained orchestration than pure tool-dispatch.
+    blurb: Embedded interpreter runtimes let agents write code to coordinate 
+      tool calls, manage working state between steps, and control what gets 
+      surfaced into model context — reducing token pressure and enabling 
+      finer-grained orchestration than pure tool-dispatch.
     cluster: null
     tags:
       - sandboxing
@@ -2629,3 +2664,29 @@ resources:
     paywall: false
     superseded_by: null
     notes: null
+  - id: langgraph-fault-tolerance
+    section: durable-execution
+    url: https://www.langchain.com/blog/fault-tolerance-in-langgraph
+    title: 'Fault Tolerance in LangGraph: Retries, Timeouts and Error Handlers'
+    author: LangChain
+    type: article
+    license: null
+    blurb: Three fault-tolerance primitives inside LangGraph — RetryPolicy 
+      (backoff retries), TimeoutPolicy (wall-clock and idle caps), and 
+      error_handler (post-retry cleanup) — plus how to compose them and apply 
+      the SAGA pattern for multi-step workflows with real-world side effects.
+    cluster: null
+    tags:
+      - langgraph
+      - fault-tolerance
+      - retries
+      - timeouts
+      - saga-pattern
+      - error-handling
+      - production
+    added_at: '2026-06-11'
+    verified_at: null
+    archived: false
+    paywall: false
+    superseded_by: null
+    notes: null
diff --git a/scout/seen.yaml b/scout/seen.yaml
index 1916c7f..40bcf6f 100644
--- a/scout/seen.yaml
+++ b/scout/seen.yaml
@@ -153,3 +153,82 @@ seen:
     title: Mission Control for Self-Hosted LangSmith on Kubernetes
     source_id: langchain-blog
     rejected_at: '2026-05-28'
+  - url: https://blog.cloudflare.com/private-origins-dns-routing/
+    title: Route public traffic to private applications with Cloudflare
+    source_id: cloudflare-ai-agents
+    rejected_at: '2026-06-11'
+  - url: https://blog.cloudflare.com/frontier-model-defense/
+    title: "Defend against frontier cyber models: Cloudflare's architecture as customer
+      zero"
+    source_id: cloudflare-ai-agents
+    rejected_at: '2026-06-11'
+  - url: https://blog.cloudflare.com/realtime-threat-intel-waf-rules/
+    title: Turning Cloudflare’s threat indicators into real-time WAF rules
+    source_id: cloudflare-ai-agents
+    rejected_at: '2026-06-11'
+  - url: https://blog.cloudflare.com/ai-gateway-spend-limits/
+    title: Your AI bill is out of control. Cloudflare can fix it now.
+    source_id: cloudflare-ai-agents
+    rejected_at: '2026-06-11'
+  - url: https://blog.cloudflare.com/voidzero-joins-cloudflare/
+    title: VoidZero is joining Cloudflare
+    source_id: cloudflare-ai-agents
+    rejected_at: '2026-06-11'
+  - url: https://blog.cloudflare.com/enforce-first-as-bgp/
+    title: Enforcing the First AS in BGP AS_PATHs
+    source_id: cloudflare-ai-agents
+    rejected_at: '2026-06-11'
+  - url: https://blog.cloudflare.com/optimizing-core-unit-boot-time/
+    title: How we reduced core unit boot time from hours to minutes
+    source_id: cloudflare-ai-agents
+    rejected_at: '2026-06-11'
+  - url: 
+      https://www.langchain.com/blog/full-text-search-in-smithdb-designing-an-inverted-index-for-object-storage
+    title: 'Full Text Search in SmithDB: Designing an Inverted Index for Object Storage'
+    source_id: langchain-blog
+    rejected_at: '2026-06-11'
+  - url: https://www.langchain.com/blog/agents-and-applications
+    title: The Missing Link Between Agents and Applications
+    source_id: langchain-blog
+    rejected_at: '2026-06-11'
+  - url: 
+      https://www.langchain.com/blog/designing-efficient-verifiers-for-legal-agents
+    title: Designing Efficient Verifiers for Legal Agents
+    source_id: langchain-blog
+    rejected_at: '2026-06-11'
+  - url: https://www.langchain.com/blog/give-your-ai-agent-its-own-computer
+    title: Give your agent its own computer
+    source_id: langchain-blog
+    rejected_at: '2026-06-11'
+  - url: https://www.langchain.com/blog/model-neutrality
+    title: 'Model Neutrality: Why Avoiding AI Vendor Lock-In Matters'
+    source_id: langchain-blog
+    rejected_at: '2026-06-11'
+  - url: https://www.langchain.com/blog/how-to-build-a-custom-agent-harness
+    title: How to Build a Custom Agent Harness
+    source_id: langchain-blog
+    rejected_at: '2026-06-11'
+  - url: https://www.langchain.com/blog/introducing-rubrics-for-deepagents
+    title: 'Introducing Rubrics: Build Agents that Evaluate and Correct Their Work'
+    source_id: langchain-blog
+    rejected_at: '2026-06-11'
+  - url: 
+      https://www.langchain.com/blog/how-harmonic-rebuilt-scout-on-deep-agents-and-4xd-retention-with-langsmith
+    title: ''
+    source_id: langchain-blog
+    rejected_at: '2026-06-11'
+  - url: 
+      https://www.langchain.com/blog/how-rippling-went-ai-native-across-every-product-in-6-months-with-deep-agents-and-langsmith
+    title: How Rippling built production AI in 6 months with Deep Agents and 
+      LangSmith
+    source_id: langchain-blog
+    rejected_at: '2026-06-11'
+  - url: https://www.langchain.com/blog/interpreter-skills
+    title: 'Interpreter Skills: Building Workflows for Agents'
+    source_id: langchain-blog
+    rejected_at: '2026-06-11'
+  - url: 
+      https://www.langchain.com/blog/financial-ai-that-investigates-macro-trends-eu-economic-analysis-with-you-com-and-langchain
+    title: ''
+    source_id: langchain-blog
+    rejected_at: '2026-06-11'
diff --git a/sources.yaml b/sources.yaml
index 1f57aab..da2ec57 100644
--- a/sources.yaml
+++ b/sources.yaml
@@ -5,7 +5,7 @@ sources:
     type: atom
     url: https://simonwillison.net/tags/ai-agents/atom
     cadence: weekly
-    last_checked_at: 2026-05-28
+    last_checked_at: 2026-06-11
     enabled: true
     notes: null
 
@@ -13,7 +13,7 @@ sources:
     type: rss
     url: https://hamel.dev/index.xml
     cadence: weekly
-    last_checked_at: 2026-05-28
+    last_checked_at: 2026-06-11
     enabled: true
     notes: null
 
@@ -21,7 +21,7 @@ sources:
     type: rss
     url: https://eugeneyan.com/rss/
     cadence: weekly
-    last_checked_at: 2026-05-28
+    last_checked_at: 2026-06-11
     enabled: true
     notes: null
 
@@ -29,7 +29,7 @@ sources:
     type: rss
     url: https://huyenchip.com/feed.xml
     cadence: weekly
-    last_checked_at: 2026-05-28
+    last_checked_at: 2026-06-11
     enabled: true
     notes: null
 
@@ -37,7 +37,7 @@ sources:
     type: rss
     url: https://embracethered.com/blog/index.xml
     cadence: weekly
-    last_checked_at: 2026-05-28
+    last_checked_at: 2026-06-11
     enabled: true
     notes: null
 
@@ -45,7 +45,7 @@ sources:
     type: rss
     url: https://blog.cloudflare.com/tag/ai-agents/rss
     cadence: weekly
-    last_checked_at: 2026-05-28
+    last_checked_at: 2026-06-11
     enabled: true
     notes: null
 
@@ -53,7 +53,7 @@ sources:
     type: rss
     url: https://www.langchain.com/blog/rss.xml
     cadence: weekly
-    last_checked_at: 2026-05-28
+    last_checked_at: 2026-06-11
     enabled: true
     notes: null
 
@@ -61,7 +61,7 @@ sources:
     type: rss
     url: https://cognition.ai/rss.xml
     cadence: weekly
-    last_checked_at: 2026-05-28
+    last_checked_at: 2026-06-11
     enabled: true
     notes: null
 
@@ -71,7 +71,7 @@ sources:
     type: github-releases
     url: https://github.com/langchain-ai/langgraph/releases.atom
     cadence: weekly
-    last_checked_at: 2026-05-28
+    last_checked_at: 2026-06-11
     enabled: true
     notes: null
 
@@ -79,7 +79,7 @@ sources:
     type: github-releases
     url: https://github.com/openai/openai-agents-python/releases.atom
     cadence: weekly
-    last_checked_at: 2026-05-28
+    last_checked_at: 2026-06-11
     enabled: true
     notes: null
 
@@ -87,7 +87,7 @@ sources:
     type: github-releases
     url: https://github.com/UKGovernmentBEIS/inspect_ai/releases.atom
     cadence: weekly
-    last_checked_at: 2026-05-28
+    last_checked_at: 2026-06-11
     enabled: true
     notes: null
 
@@ -95,7 +95,7 @@ sources:
     type: github-releases
     url: https://github.com/letta-ai/letta/releases.atom
     cadence: weekly
-    last_checked_at: 2026-05-28
+    last_checked_at: 2026-06-11
     enabled: true
     notes: null
 
@@ -103,7 +103,7 @@ sources:
     type: github-releases
     url: https://github.com/microsoft/autogen/releases.atom
     cadence: weekly
-    last_checked_at: 2026-05-28
+    last_checked_at: 2026-06-11
     enabled: true
     notes: null
 
@@ -111,7 +111,7 @@ sources:
     type: github-releases
     url: https://github.com/google/adk-python/releases.atom
     cadence: weekly
-    last_checked_at: 2026-05-28
+    last_checked_at: 2026-06-11
     enabled: true
     notes: null
 
@@ -119,7 +119,7 @@ sources:
     type: github-releases
     url: https://github.com/huggingface/smolagents/releases.atom
     cadence: weekly
-    last_checked_at: 2026-05-28
+    last_checked_at: 2026-06-11
     enabled: true
     notes: null
 
@@ -127,6 +127,6 @@ sources:
     type: github-releases
     url: https://github.com/modelcontextprotocol/servers/releases.atom
     cadence: weekly
-    last_checked_at: 2026-05-28
+    last_checked_at: 2026-06-11
     enabled: true
     notes: null