Dev Replaces Spinner with Live SSE Progress Tracker for Article Draft Queue

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A developer overhauled a article-generation dashboard that previously showed a single opaque spinner for all three drafts being processed simultaneously. The spinner was replaced with a live three-slot stepper powered by Server-Sent Events (SSE), streaming real-time stage updates — such as Researching, Generating, Verifying links, and Done — for each draft slot. Progress callbacks were threaded deep into the generation pipeline so events reflect actual work performed, not estimated percentages or decorative timers. Each slot persists independently, meaning a failure in one draft does not discard completed work from the others, and errors are scoped to the relevant slot. A JSON fallback was retained for non-SSE clients to avoid breaking existing integrations while the streaming upgrade rolls out.

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