Wong

Wong — end-of-day learning guidebook (formerly daily-log)

Turn a full day of Claude Code work (across every session and repo) into a single dated markdown file written as a teaching guide, so the user can genuinely learn the work: re-implement the code by hand, understand why each decision was made, and be able to explain how it works because they actually understand it.

The output is NOT a changelog. It is a beginner's textbook — written so simply and conversationally that someone with no software background could read it top to bottom and understand both what was done and why. Every technical term is defined in plain language the first time it appears; code stays technical but is wrapped in plain-English explanation. Depth and the "why" matter more than completeness of trivia. See the full Writing style — REQUIRED rules in step 4.

Step 0. Read the effort level from the command

The user may pass an effort level as the first argument: light, medium, or heavy. If none is given, default to heavy. (They may also pass a date; a YYYY-MM-DD token is the date, a light/medium/heavy token is the effort. Either order, both optional. e.g. /wong medium, /wong light 2026-06-25.)

Effort controls token usage — it scales BOTH the digest size (via --effort on the collector) AND how much you do while writing:

• light — cheapest. Document only the top 2–3 pieces of work. Do not run git show/extra file reads; rely on the digest + commit messages, and include at most one short code snippet total. Keep each section brief. Still produce the Git skills section, Slack summary, PDF, and upload.
• medium — balanced. Document the top ~5 pieces. Pull real code (git show) for only the 2–3 most important ones. Moderate depth.
• heavy (default) — the full treatment described below: every distinct piece of work, pull real code for each, full depth.

Carry the chosen level through all steps.

Steps

1. Collect the day's raw material

Run the collector with the chosen effort (it reads every session transcript from disk, so it captures all concurrent/closed sessions, not just this one):

python3 ~/.claude/skills/wong/collect_day.py --effort heavy

Replace heavy with the level from Step 0. To log a past day, add the date: python3 ~/.claude/skills/wong/collect_day.py --effort medium 2026-06-25

It prints the path to a digest file (~/Daily Log/.digest-<date>.md). Read that digest fully. It contains, per repo: the day's git commit map, uncommitted change stats, and per session — the user's prompts, the files Claude edited, Claude's explanatory prose, and any subagent results.

Also read the glossary at ~/Daily Log/.glossary.md (if it doesn't exist, treat it as empty). It lists the trivial/foundational terms already explained on previous days. You will NOT re-explain anything already in it — see "Explain trivial terms only once" in step 4.

If the digest says no sessions were active, tell the user and stop.

2. Identify distinct features/tasks

Group the day's work into distinct pieces of work, not one-section-per-session. Merge sessions/commits that advanced the same feature. A "piece of work" is something the user could point to as one distinct piece of work (e.g. "the verto agent call-delivery bug fix", "the predictive dialer abandon-rate cap"). Aim for the few things that actually mattered; don't pad with trivia.

3. Get the real code for each piece

Effort gate: on light, skip this step entirely (no git show/file reads — use the digest + commit messages, max one snippet total). On medium, do this only for the 2–3 most important pieces. On heavy, do it for every piece.

The digest lists commit SHAs and edited files but NOT full diffs. For each piece you're documenting, pull the actual code so snippets are real, not paraphrased:

git -C <repo> show <sha>            # full diff for a commit
git -C <repo> show <sha> -- <path>  # one file's diff
git -C <repo> diff -- <path>        # uncommitted work

Or Read the current file at the relevant lines. Prefer showing the key lines (the ones that carry the idea) over dumping whole files.

Consult the repo's CLAUDE.md and docs/GOTCHAS.md (if present) for landmines relevant to the work — they're gold for the "Gotchas & lessons" section.

4. Write the teaching guide — INCREMENTAL, never overwrite

Filename format. The file is saved in ~/Daily Log/ and named:

<YYYY-MM> - <DD> - <one line of what we did that day>.md

e.g. 2026-06 - 26 - Fixed agent call delivery and started Yotel 3D landing page.md. The one-line part is a short, plain-language headline of the day's work (no hyphens in it, since the date separators already use " - "; keep it under ~12 words). The file's top # heading must be the same string as the filename without the .md.

Finding today's file (important for the append logic). Because the one-line suffix varies, never look for an exact <date>.md. Instead find today's file by its date prefix — list ~/Daily Log/ and match the file beginning with <YYYY-MM> - <DD> - (e.g. ls "~/Daily Log/" and pick the one starting 2026-06 - 26 - ). There is at most one per day.

This skill may be run several times in one day. On every run after the first, you must add only the work not already documented — never overwrite or duplicate what's there.

Procedure:

1. If no file for today exists (no file matches the date prefix): create it with the full structure below (Day overview + one section per piece of work, numbered ## 1., ## 2., …), named in the format above.
2. If today's file ALREADY exists (found via the date prefix): Read it first. Build a set of what's already covered by scanning its existing ## N. <title> headings and the commit SHAs / session ids in each References line. Then, from today's digest, identify pieces of work whose commits/sessions are not yet in that set.
   • Keep the filename's one-line summary accurate for the whole day: if the newly added work changes what the day's headline should be, rename the file (and update its # heading to match) so the one-liner still reflects everything done that day. If the headline still fits, leave the name as is.
   • If there's nothing new, tell the user the file is already up to date and stop (do not rewrite it).
   • Otherwise, append new ## N. sections (continue the existing numbering) for only the new work, using the same per-feature template.
   • Update the Day overview block in place: bump the Commits/Sessions counts and extend the Headline to mention the newly added work. Do not touch the existing feature sections.
   • Use Edit (targeted insertions), not a full overwrite, so prior sections — including any you hand-edited — are preserved verbatim.

Treat a "piece of work" as already covered if its commit SHA(s) or the session id already appear in the file. Match on those identifiers, not on wording, so re-running never produces a near-duplicate section.

Writing style — REQUIRED (this is the whole point)

Write it like a textbook chapter for a complete beginner — someone smart who knows nothing about software. The reader should be able to follow every section top to bottom with no prior context.

• Conversational and simple. Short sentences. Plain words. Explain like you're talking to a friend, not writing a report. Avoid jargon in the narrative.
• Define each technical term once across the whole series — not once per day. The first time a term appears ever, define it in everyday language in a blockquote box: > **What "X" means.** … (use real-world analogies). But first check the glossary (~/Daily Log/.glossary.md) and never re-define a term already listed there. This matters most for trivial, recurring foundations — what a repo/commit/branch is, what Yotel is, basic git — explain them once, then just use them. A brand-new term that is genuinely central to today's work still gets its box; a basic that has been covered before does not. See "Explain trivial terms only once" below for the mechanics.
• Stay technical only where technical precision is the point — e.g. the actual code change, the exact file, the real trade-off. Show the real code, but wrap it in plain-English explanation before and after, and comment the snippet in plain language. Never just dump code.
• Lead each section with the "everyday version" — the plain-language story of what was broken/needed and why it matters — before any technical detail.
• Use a short "How to read this document" note at the very top, and a "The big picture (read this first)" overview that explains the projects in plain terms (what is this product, who uses it, why).
• Keep the "how to explain it" points in plain, confident, one-sentence form, followed by the one clever insight to explain simply.
• Be honest: clearly separate real shipped code from setup/exploration, and say so in plain words.

Match the tone of the most recent existing file in ~/Daily Log/ (read it as the reference example if one exists).

Explain trivial terms only once (the glossary)

A reader of the whole series should not see "what a repo is" or "what Yotel is" re-explained every single day. So:

1. Before writing, read ~/Daily Log/.glossary.md (the list of terms already explained). Treat everything in it as known — do not write a > **What "X" means.** box for any term on the list. Just use the term normally.
2. While writing, only add a definition box for a term that is genuinely new to the series (not in the glossary). Bias hard against re-defining trivial foundations; if in doubt about a basic, assume it's been covered and skip it.
3. After writing/appending, update ~/Daily Log/.glossary.md: append (one per line) any term you defined for the first time today. Never remove existing entries. If the file doesn't exist, create it.

This applies to trivial, recurring terms above all (repo, commit, branch, worktree, what the product is, basic git). A complex term that is the heart of one day's work can still be explained that day, but once it's in the glossary it is not re-explained later.

Per-feature template and Day-overview structure (adapt headings to the beginner-friendly voice above — these are the contents to cover, not rigid labels to copy verbatim):

# <YYYY-MM> - <DD> - <one line of what we did that day>

> **How to read this document.** (1-2 sentences telling a beginner how to use it.)

## The big picture (read this first)
Plain-language overview of what got done today. Define "project/repository",
"commit", and what the product (e.g. Yotel) is here **only if they are not already
in the glossary** — i.e. on the very first log. On every later day, skip those
basics and the "what is this product" explainer; just name them and move on.

---

## 1. <Plain-language title of the piece of work>   (<repo>)

### The everyday version
The story with no jargon — what was broken or needed, and why it matters to a
real person. Use an analogy.

### What was really going on / the fix (the technical bit)
Now the precise detail: the real cause, the real code change (shown and explained
in plain English with commented snippets), the exact file `path`. Put a
`> **What "term" means.**` box before each new technical word.

### How you could do this yourself, step by step
Numbered, concrete steps a beginner could follow.

### How to explain it (once you understand it)
- A plain one-sentence summary of what the work does.
- The one clever insight, explained simply.
- The trade-off to defend, in everyday terms.

### Lessons worth remembering
Plain-language takeaways + any relevant landmine from CLAUDE.md / docs/GOTCHAS.md.

**Where to find it:** files, commit SHA(s), session id(s).

---

## 2. <next piece…>

---

## Git skills used today
(Always the LAST section of the document. Built from the digest's "Git commands
Claude ran" blocks — see the dedicated instructions below.)

### <git operation, e.g. Committing changes>   `git commit`
**What it did** — in plain words, what this command accomplished today.
**Why** — why this step was needed at that point in the workflow.
**How to do it yourself** — the real command with a short note on what each part
and flag means, so the reader could run it by hand.

### <next git operation…>

The "Git skills used today" section — REQUIRED (always the last section)

End every day's document with a ## Git skills used today section, built from the "Git commands Claude ran" blocks in the digest (one block per session).

How to build it:

1. Gather all the git commands from every session in the digest. A captured entry may be a compound command (e.g. cd repo && git add ... && git commit ...); pull out the git part(s).
2. Group them by git operation (e.g. committing, creating a branch, creating a worktree, pushing, staging, stashing, restoring, rebasing, inspecting with log/diff/show/status). One subsection per distinct operation — do not list the same operation many times. If many commands are just read-only inspection (git status, git log, git diff, git show), cover them together in one short "Looking around the repo" subsection rather than one each.
3. For each operation, write three things in the beginner-friendly voice used everywhere else in the document:
   • What it did — what this accomplished in today's actual work.
   • Why — why that step was needed at that point.
   • How to do it yourself — the real command, with a plain note on what each part and important flag means, so the reader could run it by hand. Put a > **What "X" means.** box before the first use of a git term (commit, branch, staging area, worktree, remote, push, etc.).
4. Be honest about read-only vs state-changing actions, and note when something was destructive or risky (e.g. reset --hard, force push) and how to do it safely.

On append runs: keep a single "Git skills used today" section at the very end. Add any git operations that appeared in new sessions and aren't already covered. Do not duplicate operations that are already explained — extend, don't repeat. If new work was appended above, make sure this section stays the LAST one in the file.

Render a phone-readable PDF, then upload to Google Drive (after writing/updating)

Once the day's file is written (or appended to), do two things, in order, passing the file's full path:

# 1) markdown -> styled, phone-friendly PDF (rendered next to the .md)
bash ~/.claude/skills/wong/render_pdf.sh "/full/path/to/<YYYY-MM> - <DD> - <one line>.md"

# 2) upload to Google Drive (uploads the PDF + the .md)
bash ~/.claude/skills/wong/upload_to_drive.sh "/full/path/to/<YYYY-MM> - <DD> - <one line>.md"

• render_pdf.sh converts the markdown to a clean PDF (via marked + headless Chrome) so it's pleasant to read on a phone — Google Drive renders PDFs natively on mobile, unlike raw markdown.
• upload_to_drive.sh copies only the PDF into the user's Drive (gdrive:Daily Log by default) and then deletes the local PDF, so Drive holds the readable PDFs and the local ~/Daily Log keeps only the editable .md sources. (Toggles UPLOAD_MD and KEEP_LOCAL_PDF at the top of the script change this.)

Both are safe no-ops: if Node/Chrome aren't available, the PDF step skips; if rclone isn't installed/configured, the upload step skips. Each just prints a hint and exits cleanly — never treat a "skipping" message as a failure. Run both on every run (including append runs) so the Drive copies stay in sync, and report what they print (rendered/uploaded vs skipped) in the final summary.

5. Print a Slack-ready daily update (ALWAYS do this after writing the file)

After the document is written (or updated), print a 3 paragraph plain-language summary of what was done that day, meant for the user to copy-paste straight into Slack as their daily update. Put it in a fenced code block so it is easy to copy.

Rules for this Slack summary (follow exactly):

• Exactly 3 paragraphs. Blank line between them. No headings, no bullet points, no bold.
• Moderately technical, and focused on what was actually done. First person ("Today I ...", "I also ..."). Write for engineering teammates who know the stack, so name the real things: the actual files, components, functions, endpoints, libraries, root cause, and the concrete change made. Prefer specifics ("switched the FreeSWITCH directory dial string to verto_contact") over vague plain English ("fixed the call bug"). Don't over-explain basic concepts and skip the everyday analogies — that's what the document is for; this is the work log.
• No hyphens at all. Do not use the "-" character anywhere (rephrase rather than hyphenate; e.g. write "browser based" as two words or reword). Underscores in real identifiers like verto_contact are fine.
• Minimal punctuation. Mostly full stops. Avoid commas where you can, and avoid semicolons, colons, dashes, parentheses, and quotation marks.
• Keep it honest: cover the real work, and if a chunk was setup or exploration say so plainly.
• Roughly 3 to 5 sentences per paragraph. A natural arc is: paragraph 1 the main thing you fixed or built including the root cause and the fix, paragraph 2 the other concrete changes you made, paragraph 3 setup or infra or what is next.

On an append run, write the Slack summary for the whole day so far (all sections in the file), not only the newly added work, since it is the day's update.

6. Report back

Give the user a short summary in chat (outside the Slack code block):

• the file path (new <YYYY-MM> - <DD> - <one line>.md name; note it if the file was renamed on an append run)
• whether this run created the file or appended to it, and on an append run: which new sections were added (and that prior sections were left untouched), or that it was already up to date
• whether the PDF was rendered and whether the Google Drive upload (PDF + md) succeeded or was skipped (per the helpers' output)
• number of features documented total, repos, and commits covered
• if any session's last timestamp was within a few minutes of "now" (looks still-active), note it and suggest re-running /wong after closing that session to capture the tail.

Notes

• One file per day, additive. Running the skill again the same day extends the existing <date>.md with only the newly-uncovered work — it never creates a second file for that date and never overwrites prior sections.
• The collector and output folder live outside any product repo; nothing here is committed to work repos.
• Tunables (excluded projects, truncation caps, subagent inclusion) live at the top of collect_day.py.
• Be honest: if a piece of work is incomplete or was just exploration/Q&A rather than shipped code, document it as such rather than inventing an accomplishment.