Vision and what the agent does
I build fast and I build a lot. As of this weekend that is 49 public repos. What I am bad at is remembering the state of any of them. Which ones are live, which shipped with no README, which went quiet months ago and quietly rotted. The answer used to be that I had no idea until I went digging.
Daybreak is the fix. I wanted the review done before I even sat down: not a dashboard I have to remember to check, but a brief already in my inbox, waiting at first light. That is the name. Every morning at 6 AM Pacific it wakes up on its own, with no button to press. It takes inventory of every repo on my GitHub account, reasons over that inventory with Amazon Nova, and leaves a short brief in my inbox: how many repos are live, how many have gone quiet, how many are missing a README or a license, and three specific "do something here" nudges. By the time I am awake, the review is done and waiting. The best tool is the one you never have to open.
It runs read-only. It reports, I decide. It never touches my repos.
One design choice I am proud of: structure is deterministic, flavor is generated. The counts of how many repos are live, quiet, or unlicensed are computed in Python so they can never be hallucinated. Nova only writes the narrative and the nudges around those fixed numbers.
What I learned
Bedrock inference profiles, and why on-demand Nova needs the us. prefix and IAM that covers the fan-out regions. Least-privilege IAM for an agent: four actions, no wildcards, with Parameter Store wired for secrets (the token slot exists but v1 runs unauthenticated just fine). SES sandbox is fine when sender and recipient are the same verified address, which skips a production-access request. And the value of a hard line between deterministic logic and model reasoning, so the numbers are trustworthy and the writing is still warm.
The proof it ran without me: I set the EventBridge schedule to fire at 8:07 PM, stepped away, and it went off on its own. It pulled all 49 repos, Nova wrote the brief, and SES delivered it in about 4 seconds, with the CloudWatch timestamp and the email to match. That was a real scheduled trigger, not a button, which is the whole point of the challenge. With autonomy proven, I set the production schedule to 6 AM Pacific daily. The verbatim CloudWatch logs, timestamps, and request IDs are in
Proof of autonomous run: PROOF.md
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