Inspect request/trace data from agents and CLI to speed local debugging (50-100 chars)

Many teams waste hours chasing down request traces and reproducing bugs because span-level context and request payloads live in sampled cloud observability systems or are buried across browser devtools, backend logs, and edge invocations. This problem hits full‑stack/frontend engineers, SREs, and platform teams building distributed client/server/edge apps — roughly speaking, a portion of the 12 million development teams working on modern apps feel this pain as app logic fragments across tiers. You could build a lightweight local agent plus CLI that exposes machine-readable inspection and trace endpoints, captures request and span-level context on demand, and integrates with editors, browser tools, and developer agents to enable instant replay and programmatic queries offline. Core product capabilities would be on-demand trace capture, deterministic replay, a small UI/CLI for rapid filtering, and SDKs for popular frameworks; even modest market penetration into a $9.6B developer-observability market (12M teams × ~$800 ARR) supports a healthy business case, which aligns with the revenue potential scoring (70/100). This is an attractive moment: local-first development, growing distributed frontend complexity, and the rise of agentized automation create demand for offline, machine-readable inspection endpoints that fit local workflows. To stand out in a medium-competition field, prioritize a minimal, low-overhead agent with strong privacy-by-default controls (no cloud upload unless opted in), first-class CLI and machine APIs for assistants, and tight framework integrations; notable challenges are OS-level permissions, performance overhead in developer environments, and the go-to-market effort required to convince teams to add another local tool.