{"slug":"typed-decision","label":"Typed Decision","item_count":3,"day_count":3,"source_count":3,"first_seen":"2026-10-08T16:46:43+00:00","last_updated":"2026-10-23T17:49:43+00:00","generated_at":"2026-10-27T00:13:38.037892+00:00","sources":["arxiv_agent_systems_research","arxiv_cs_cl","arxiv_cs_lg"],"days":[{"date":"2026-10-08","items":[{"title":"One Word Opens the Gate: The Option-Channel Attack on Typed Decision Models as Agent Guardrails","url":"http://arxiv.org/abs/2610.12292v1","source":"arxiv_agent_systems_research","type":"paper","summary_1line":"A typed decision model reads a piece of text and returns a probability over caller-defined options, each with a short written definition, generating no text. Recent work places these models in agent systems as guardra...","why_it_matters":"Matches feed focus: agent, eval.","sid":"0f0c80587e932ad4","published":"2026-10-08T16:46:43+00:00","editor_note":"Introduced the option-channel attack on typed decision models used as agent guardrails."}]},{"date":"2026-10-21","items":[{"title":"VX-One: Typed, Calibrated Decision Heads for Real-Time Perimeter Triage - An empirical study of unknown-attack honesty, cascade gray zones, and calibration under drift","url":"http://arxiv.org/abs/2610.30090v1","source":"arxiv_cs_lg","type":"paper","summary_1line":"Perimeter triage faces a latency/semantics trade-off: signature engines are fast and format-safe but blind to unseen attacks, while generative models are semantic but slow and produce unparseable output. In late 2026...","why_it_matters":"Matches feed focus: eval.","sid":"a0784d9bff0dcc3c","published":"2026-10-21T17:39:12+00:00","editor_note":"Applied typed, calibrated decision heads to real-time perimeter triage, contrasting them with signature engines and generative models."}]},{"date":"2026-10-23","items":[{"title":"Measure Before You Train: Typed Decision Models vs. a Classical Baseline vs. a Generative LLM for Routing a Personal Multilingual Inbox","url":"http://arxiv.org/abs/2610.32955v1","source":"arxiv_cs_cl","type":"paper","summary_1line":"Personal email agents decide, for every message, what it is, whether it is urgent, whether to draft a reply, create a task, or ignore it. Their error rate is rarely measured: the stored labels were written by the syst...","why_it_matters":"Matches feed focus: agent.","sid":"b3556b3510a4eaf3","published":"2026-10-23T17:49:43+00:00","editor_note":"Compared typed decision models with a classical baseline and a generative LLM for inbox routing."}]}],"editorial":{"tldr":"Typed decision models return a probability over caller-defined options instead of generating text, and papers began placing them in agent systems as guardrails. The first paper showed an attack on that role; a security-triage study followed.","stale":false,"whats_new":"A paper on routing a personal multilingual inbox compares typed decision models against a classical baseline and a generative LLM, arguing to measure before training.","why_it_matters":"Typed decision heads are being proposed as guardrails and routers, so platform engineers need to know both how they can be attacked and how they compare with simpler baselines.","take_for_builders":"If a typed decision model gates agent actions, test its option definitions for adversarial wording and benchmark it against a classical baseline before training.","status":{"state":"Developing","tone":"rising","changed":"2026-10-23","detail":"Three papers in 15 days cover an attack, a security-triage application, and a baseline comparison for typed decision models."},"beats":[{"kicker":"RISK","tone":"alert","headline":"Option-channel attack on typed decision guardrails","sids":["0f0c80587e932ad4"]},{"kicker":"APPLICATION","tone":"rising","headline":"Typed, calibrated heads for perimeter triage","sids":["a0784d9bff0dcc3c"]},{"kicker":"NOW","tone":"now","headline":"Measuring typed models against classical and generative baselines","sids":["b3556b3510a4eaf3"]}],"open_questions":["Do any vendors or papers publish defenses against the option-channel attack?","Do typed decision models hold their advantage over classical baselines on other routing tasks?"],"generated_at":"2026-10-27T00:13:26+00:00"}}