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feat(firmware): honor server X-Interval-Ms instead of capping at 60s

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The dev-only cap that forced every-1-min polling regardless of the app's
schedule is removed. The device now sleeps for whatever X-Interval-Ms
the server hands back (driven by rotationIntervalMinutes / wakeTimes),
clamped to [30s, 25h] as a safety net against malformed values.

Renamed FETCH_INTERVAL_MS to FETCH_INTERVAL_MS_FALLBACK — it's now
*only* used when the header is absent (rare; rolling deploy / hand-
crafted response). Added SLEEP_CLAMP_MIN/MAX for the bounds.

Tests FW-09 and FW-10 flipped to lock the new behavior; added FW-10b
covering sub-MIN clamping (battery protection if server sends 1000ms).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
Matt Edholm
2026-05-07 15:34:20 -04:00
parent 8915a3d1f4
commit 988759f738
4 changed files with 61 additions and 44 deletions
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test/mocks/config.h
+3 -1
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@@ -8,7 +8,9 @@
#define NVS_KEY_IMG_ID "img_id"
#define NVS_KEY_DRAW_NEEDED "draw"
#define IMAGE_PATH "/img.bin"
#define FETCH_INTERVAL_MS 60000ULL
#define FETCH_INTERVAL_MS_FALLBACK 60000ULL
#define SLEEP_CLAMP_MIN_MS 30000ULL
#define SLEEP_CLAMP_MAX_MS (25ULL * 60ULL * 60ULL * 1000ULL)
#define WIFI_TIMEOUT_MS 30000
#define RESET_HOLD_MS 5000
#define AP_IP "192.168.4.1"