[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f3iitmlrru2106":3},{"_id":4,"slug":5,"title":6,"subtitle":7,"kind":8,"cards":9,"tags":58,"categories":60,"source":62,"lang":65,"author":66,"audioState":69,"stats":70,"publishedAt":73,"renderer":74},"6abaefefca21c797c7e9b7be","i-gave-an-ai-agent-a-memory-with-hindsight-then-i-taught-it-e2114d10","I Gave an AI Agent a Memory with Hindsight. Then I Taught It When to Ignore It.","Most AI agents have a simple memory story: remember something, retrieve something similar, and use it again.","news",[10,13,18,23,28,33,38,43,48,53],{"headline":6,"body":11,"imageUrl":12,"sourceImageUrl":12},"Most AI agents have a simple memory story: remember something, retrieve something similar, and use it again. That sounds useful until the world changes.","https:\u002F\u002Fmedia2.dev.to\u002Fdynamic\u002Fimage\u002Fwidth=1200,height=627,fit=cover,gravity=auto,format=auto\u002Fhttps%3A%2F%2Fdev-to-uploads.s3.us-east-2.amazonaws.com%2Fuploads%2Farticles%2Fypq5fqft12yioz56nvc8.png",{"headline":14,"body":15,"imageUrl":16,"images":17},"I built ED Resolve, an operational decision engine","I built ED Resolve, an operational decision engine for a recurring Emergency Department problem: a patient is ready for ICU\u002FHDU transfer, but something in the hospital workflow is blocking it. ED Resolve uses Hindsight to remember previous operational experiences — but it does not assume that an old solution is still correct. The hard part was not making the agent remember.","\u002Fapi\u002Fmedia\u002Fposts\u002Fi-gave-an-ai-agent-a-memory-with-hindsight-then-i-taught-it-e2114d10\u002F1.webp",{"local":16},{"headline":19,"body":20,"imageUrl":21,"images":22},"It was making it answer: Does this old","It was making it answer: Does this old experience actually apply to what is happening right now? The problem is bigger than “find a bed”","\u002Fapi\u002Fmedia\u002Fposts\u002Fi-gave-an-ai-agent-a-memory-with-hindsight-then-i-taught-it-e2114d10\u002F2.webp",{"local":21},{"headline":24,"body":25,"imageUrl":26,"images":27},"An ICU transfer can depend on bed availability","An ICU transfer can depend on bed availability, bed cleaning, transport, coordination, escalation paths, and competing transfers. Two situations can look similar at a high level while requiring different actions.","\u002Fapi\u002Fmedia\u002Fposts\u002Fi-gave-an-ai-agent-a-memory-with-hindsight-then-i-taught-it-e2114d10\u002F3.webp",{"local":26},{"headline":29,"body":30,"imageUrl":31,"images":32},"That is why I did not want to","That is why I did not want to build only a prediction model. I wanted a system that can reason over the current operational state, recall previous experiences, reject impossible interventions, simulate feasible alternatives, and learn from the outcome.","\u002Fapi\u002Fmedia\u002Fposts\u002Fi-gave-an-ai-agent-a-memory-with-hindsight-then-i-taught-it-e2114d10\u002F4.webp",{"local":31},{"headline":34,"body":35,"imageUrl":36,"images":37},"A 2026 observational study from a tertiary-care centre","A 2026 observational study from a tertiary-care centre in India examined 510 adults who remained in an Emergency Department for at least 24 hours without specialty transfer and reported system-related causes including ICU\u002FHDU bed waits and interdepartmental disputes. That work motivated the operational setting; ED Resolve itself uses synthetic scenarios and does not claim clinical effectiveness. What happens inside ED Resolve?","\u002Fapi\u002Fmedia\u002Fposts\u002Fi-gave-an-ai-agent-a-memory-with-hindsight-then-i-taught-it-e2114d10\u002F5.webp",{"local":36},{"headline":39,"body":40,"imageUrl":41,"images":42},"CURRENT ED STATE ↓ WORLD MODEL + BOTTLENECK","CURRENT ED STATE ↓ WORLD MODEL + BOTTLENECK ↓ HINDSIGHT RECALL ↓ APPLICABILITY CHECK ↓ GPT-OSS CANDIDATE ACTIONS ↓ CP-SAT HARD CONSTRAINTS ↓ SIMPY COUNTERFACTUAL SIMULATION ↓ DETERMINISTIC SELECTION ↓ OUTCOME + PREDICTION ERROR ↓ HINDSIGHT RETAIN","\u002Fapi\u002Fmedia\u002Fposts\u002Fi-gave-an-ai-agent-a-memory-with-hindsight-then-i-taught-it-e2114d10\u002F6.webp",{"local":41},{"headline":44,"body":45,"imageUrl":46,"images":47},"Every stage has a different responsibility. That separation","Every stage has a different responsibility. That separation is deliberate: I did not want one LLM call to quietly become the entire control system. Hindsight is the experience layer","\u002Fapi\u002Fmedia\u002Fposts\u002Fi-gave-an-ai-agent-a-memory-with-hindsight-then-i-taught-it-e2114d10\u002F7.webp",{"local":46},{"headline":49,"body":50,"imageUrl":51,"images":52},"I use Hindsight as the persistent experiential memory","I use Hindsight as the persistent experiential memory layer. Instead of keeping a few previous messages in a prompt, ED Resolve retains completed operational episodes: the state, bottleneck, candidate actions, constraints, selected action, outcome, and prediction error. Later, another episode can recall those experiences. Memory says: “This happened before.” ED Resolve asks: “Was it the same kind of world?”","\u002Fapi\u002Fmedia\u002Fposts\u002Fi-gave-an-ai-agent-a-memory-with-hindsight-then-i-taught-it-e2114d10\u002F8.webp",{"local":51},{"headline":54,"body":55,"imageUrl":56,"images":57},"That is why Hindsight is central to the","That is why Hindsight is central to the architecture rather than just an attached history store. For background, I also used Vectorize's guide to agent memory. The key layer: applicability Recall something similar → Repeat what worked","\u002Fapi\u002Fmedia\u002Fposts\u002Fi-gave-an-ai-agent-a-memory-with-hindsight-then-i-taught-it-e2114d10\u002F9.webp",{"local":56},[59],"dev",[61],"Technology",{"name":63,"url":64},"Dev.to","https:\u002F\u002Fdev.to\u002Fslgayatri_praharshitha_ce\u002Fi-gave-an-ai-agent-a-memory-with-hindsight-then-i-taught-it-when-to-ignore-it-4l87","en",{"handle":67,"displayName":68},"spots","Spots","queued",{"views":71,"likes":72,"saves":72,"shares":72,"completions":72,"opens":72,"skips":72,"depthSum":72},3,0,"2026-09-28T22:53:35.261Z","local"]