feat(ci): add weekly project report workflow

[mihar-22]

Summary

Automated weekly project report using claude-code-action@v1. The agent collects data from the GitHub project board, calculates SP metrics, generates an AI analysis, and posts a Block Kit report to Slack.

Changes

• Agent reads instructions from prompt.md — data collection, calculation rules, workstream mappings, UC epics, output contract
• post-to-slack.js converts the structured JSON into Slack Block Kit blocks — the one thing the agent can't do itself
• Workflow runs Monday 9 AM UTC via cron, with manual dispatch for testing
• Failure alerts post to the same Slack channel

Testing

Tested locally — data collection via gh, metric calculations, and Slack posting all verified end-to-end.

Note: Scheduled workflows only run on the default branch. This won't trigger on cron until merged.

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Project	Deployment	Actions	Updated (UTC)
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[github-actions]

📦 Bundle Size Report

Package	Size	Diff		%
@videojs/core	10.28 kB	0 B	░░░░░░░░	0%	✅
@videojs/element	1.60 kB	0 B	░░░░░░░░	0%	✅
@videojs/html	18.36 kB	0 B	░░░░░░░░	0%	✅
@videojs/icons	3.79 kB	0 B	░░░░░░░░	0%	✅
@videojs/react	14.90 kB	0 B	░░░░░░░░	0%	✅
@videojs/store	1.95 kB	0 B	░░░░░░░░	0%	✅
@videojs/utils	2.81 kB	0 B	░░░░░░░░	0%	✅

Total: 53.68 kB · 0 B · 0%

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Entry Breakdown

Subpath sizes are the additional bytes on top of the root entry point, measured by bundling root + subpath together and subtracting the root-only size.

@videojs/core

Entry	Base	PR	Diff	%
.	4.28 kB	4.28 kB	0 B	0%	✅
./dom	6.01 kB	6.01 kB	0 B	0%	✅
total	10.28 kB	10.28 kB	0 B	0%

@videojs/element

Entry	Base	PR	Diff	%
.	817 B	817 B	0 B	0%	✅
./context	823 B	823 B	0 B	0%	✅
total	1.60 kB	1.60 kB	0 B	0%

@videojs/html

Entry	Base	PR	Diff	%
.	15.20 kB	15.20 kB	0 B	0%	✅
./video	1.06 kB	1.06 kB	0 B	0%	✅
./audio	1.06 kB	1.06 kB	0 B	0%	✅
./background	1.05 kB	1.05 kB	0 B	0%	✅
total	18.36 kB	18.36 kB	0 B	0%

@videojs/icons

Entry	Base	PR	Diff	%
./react	2.27 kB	2.27 kB	0 B	0%	✅
./html	1.52 kB	1.52 kB	0 B	0%	✅
total	3.79 kB	3.79 kB	0 B	0%

@videojs/store

Entry	Base	PR	Diff	%
.	1.29 kB	1.29 kB	0 B	0%	✅
./html	468 B	468 B	0 B	0%	✅
./react	204 B	204 B	0 B	0%	✅
total	1.95 kB	1.95 kB	0 B	0%

@videojs/utils

Entry	Base	PR	Diff	%
./array	104 B	104 B	0 B	0%	✅
./dom	928 B	928 B	0 B	0%	✅
./events	227 B	227 B	0 B	0%	✅
./function	261 B	261 B	0 B	0%	✅
./object	119 B	119 B	0 B	0%	✅
./predicate	265 B	265 B	0 B	0%	✅
./string	148 B	148 B	0 B	0%	✅
./style	185 B	185 B	0 B	0%	✅
./time	478 B	478 B	0 B	0%	✅
./number	158 B	158 B	0 B	0%	✅
total	2.81 kB	2.81 kB	0 B	0%

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ℹ️ How to interpret

Sizes are minified + brotli, measured with esbuild.
Package totals are computed as root size + marginal subpath costs.
Subpath marginal cost = (root + subpath bundled together) − root alone.

Icon	Meaning
✅	No change
🔺	Increased ≤ 10%
🔴	Increased > 10%
🔽	Decreased
🆕	New (no baseline)

Run pnpm size locally to check current sizes.