ShortFlix — Daily Ops · Cost Ceiling

GCP $500 credit

$ 386.10 / 500

▲ $24.40 / day · runs out D+18

RapidAPI bill

$ 132.40

ceiling $200/mo · 66% used

p50 latency

1.18 s

budget 1.5 s · 21% headroom

p95 latency

1.94 s

budget 2.0 s · 3% headroom

Cost / DAU / mo

$ 0.038

ceiling $0.05 · 24% margin

Open incidents

SEV-3 · trend-safety latency

$500 GCP credit ledger · 30-day projection

$ 386.10 / $ 500.00 · D+14 of 30 · projected EOM $ 632 (over by $132)

Ceiling guard: if projected EOM > $500, auto-cut Vertex grounding to ko-only and downgrade trend-safety to flash-lite. Lever owner: jisu.

Line	So far	Daily run-rate	Projected EOM	Ceiling
Cloud Run · asia-NE3 (min=1)	$ 88.20	$ 6.30 / d	$ 189	$ 220
Gemini-2.0-flash	$ 121.40	$ 8.67 / d	$ 260	$ 240
Vertex AI Search	$ 41.10	$ 2.94 / d	$ 88	$ 100
Cloud SQL f1-micro	$ 4.20	$ 0.30 / d	$ 9	$ 12
Egress · CDN	$ 18.40	$ 1.31 / d	$ 39	$ 60
Logging · Cloud Tasks · misc	$ 12.80	$ 0.91 / d	$ 27	$ 40
GCP subtotal	$ 286.10	$ 20.43 / d	$ 612	$ 500 credit

3rd-party (out of credit)	So far	Projected EOM	Ceiling
RapidAPI · YT Shorts plan	$ 49.00	$ 49.00	$ 60
RapidAPI · IG Reels plan	$ 49.00	$ 49.00	$ 60
RapidAPI · TikTok plan	$ 34.40	$ 88.00	$ 80
RapidAPI subtotal	$ 132.40	$ 186.00	$ 200

SLO burn · 7-day window

orchestrator p95budget 2.0 s

1.94 s

curator agent p95nightly batch

3m12s

trend-safety p95budget 600 ms

714 ms

unified-search p953 MCP fanout

312 ms

RapidAPI 5xx rateover all 3 plans

2.1 %

Open alerts

SEV-3 · trend-safety p95 over budget

14:08 KST · firing 22 min · runbook: switch flash-lite

+19%

●

SEV-4 · TikTok RapidAPI 5xx spike

11:46 KST · 16 occurrences · 3 retries succeeded

2.1%

✓

RESOLVED · curator nightly batch overran 60s window

04:22 KST · increased Cloud Scheduler timeout 60→120s

closed

✓

RESOLVED · Vertex AI Search 429

02:14 KST · backed off 2x · within budget

closed

Today's runbook

# 14:30 KST · operator: jisu
$ sf ops cost --ledger
→ projected EOM exceeds $500 by $132 — engaging tier-1 lever
$ sf ops lever apply tier1 --tag credit-ceiling
+ vertex.search corpus = ko-only (was ko+en+ja)
+ trend-safety = gemini-2.0-flash-lite (was -flash)
! novelty drift expected: 0.86 → ~0.83 (acceptable, > 0.80 floor)
$ sf ops slo refresh
→ p95 1.94s · burn 1.7× → 0.9× by 16:00
$ sf ops lever rollback --in 24h
scheduled rollback at 14:30 +1d if EOM projection back under $500
      

Multi-agent superiority on the ops axis: each lever (corpus, model size, fanout depth) maps to one agent — single-agent has no levers, only a kill switch.

Capacity plan · D+14 → D+30

Risk	Trigger	Lever	Owner
$500 credit overrun	EOM > $500	Tier 1 (corpus + flash-lite)	jisu
RapidAPI ceiling	TikTok plan > $80	nightly cache only on TT	jisu
p95 over budget	p95 > 2.0 s 5 min	parallel fanout disable	jisu
Solo-dev fatigue	on-call paged 3+ in 24h	SEV-3 → email-only	jisu
Demo day freeze	D+27 onward	code freeze · CFR-only deploy	jisu

No headcount. No PagerDuty. One operator, one Cloud Run service, four agents, six levers, $500 ceiling.