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feat(linkedin-studio): RE-R2b — dated morning-brief artifact + session-start surfacing [skip-docs]

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The visible layer of R2. Pure brief.ts: rankForBrief (pillar-overlap -> recency over
the store; publishedAt ?? capturedAt freshness, 7d window; total-order sort), renderBrief
(dated Markdown + hook-surfaceable summary frontmatter), briefSummary (one summary source),
defaultBriefDir (derived from defaultStorePath). CLI `brief` writes
<data>/trends/morning-brief/YYYY-MM-DD.md; session-start surfaces the latest zero-tsx
(latestMorningBrief). Wired into trend-spotter Step 4.6 (scan->capture->brief->surfaced).
No store-schema/scoring change; no scheduler (R3).

25 new trends tests (21 brief.test + 4 cli brief, RED-first) + 3 hook tests (morning-brief
surfacing). trends 104/104 (floor 104), hook-suite 139/139, gate FAIL=0 (ASSERT floor 94,
Section 16i: cli brief-handler + trend-spotter brief-pointer + session-start surfacing
greps), tsc clean.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01VmHCQjJHUyWwxGAVVjNLgp
This commit is contained in:
Kjell Tore Guttormsen 2026-06-24 13:12:54 +02:00
commit fa7551070e
9 changed files with 712 additions and 10 deletions
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21
scripts/trends/README.md
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@ -69,11 +69,32 @@ node --import tsx src/cli.ts query --topics "agents,engineering" [--json]
# Time-scoped history — newest first, optionally windowed/capped
node --import tsx src/cli.ts list [--since 2026-06-01] [--limit 10] [--json]
# Dated morning brief — rank the store by pillar-overlap then recency, write a dated
# Markdown file the SessionStart hook surfaces. Pillars come from the caller (user config).
node --import tsx src/cli.ts brief --pillars "agents,engineering" \
[--fresh-days 7] [--out <dir>] [--store <path>] [--json]
```
Both `capture` and `add` dedupe on normalized title+url — re-capturing the same trend
never appends a duplicate, it only unions any new topics in.
## Morning brief (RE-R2b)
`brief` is the dated, surfaced read over the store (distinct from `query`/`list`, which are
interactive dumps). It ranks the store against the user's pillars — overlap desc, then
`publishedAt ?? capturedAt` recency — buckets into top (2+ pillars), single (1 pillar), and
older (matched but outside the freshness window, default 7 days), and writes:
```
${LINKEDIN_STUDIO_DATA:-$HOME/.claude/linkedin-studio}/trends/morning-brief/YYYY-MM-DD.md
```
The file's YAML frontmatter carries a single-line `summary` the SessionStart hook surfaces
verbatim (zero-tsx — it reads the Markdown, never the TS CLI). Ranking uses only persisted
fields; a persisted relevance score, an autonomous nightly trigger, and a seen-log freshness
model are later slices.
## Tests
```bash