Operations manifest

The interface behaves as an explicit, high-contrast, zero-overhead instrument terminal. Every container is bounded by sharp geometric limits with a 0.0 corner radius. Removing anti-aliased corners and composited shadow matrices lets container shapes map cleanly onto immediate clip-rect primitives, so the rendering engine spends its cycles on data instead of presentation.

Gradient interpolation fields, blur filtering and heavy motion libraries are rejected outright. They inflate the render tree, add non-deterministic layout latency and accelerate mobile thermal degradation.

Two absolute themes exist. Absolute dark pins the canvas to #000000 with structure drawn in #FFFFFF; absolute light flips the relationship exactly. No mid-tone grey, no pastel hue enters the core interface.

The logo is the raw text token LUVIASUN at weight 900 with explicit letter spacing. Because branding is a compile-time string rather than an image asset, it needs no disk read, no decode loop and no canvas scaling, and it cannot throw an asset exception at boot.

Four coordinated phases guarantee no layout pop, no white flash and immediate data availability at workspace access.

[OPERATING SYSTEM HOME SCREEN]
               |  (user taps launcher icon)
               v
+--------------------------------------------------------+
| PHASE 1: NATIVE SPLASH LOCK                             |
| - screen held at absolute black (#000000)               |
| - engine boot begins execution                          |
+--------------------------------------------------------+
               v
+--------------------------------------------------------+
| PHASE 2: GLOBAL INITIALISATION (main.dart)              |
| - native splash preserved manually                      |
| - Hive local storage opened and mounted                 |
| - prefetch of weather telemetry dispatched              |
+--------------------------------------------------------+
               v
+--------------------------------------------------------+
| PHASE 3: ANIMATED SPLASH ROUTINE                        |
| - native lock released                                  |
| - 'LUVIASUN' wordmark opacity loop, 2000 ms             |
| - local / network cache verification runs in parallel   |
+--------------------------------------------------------+
               v
+--------------------------------------------------------+
| PHASE 4: MAIN INTERFACE RE-RENDER                       |
| - navigation shell mounts with data already loaded      |
| - zero layout shift, no white flash                     |
+--------------------------------------------------------+

A five-slot bottom matrix — weather, compass, calendar, arcade, setting — sits behind a single hairline rule. The active slot is drawn as an inverted block rather than a coloured pill; there is no ripple, no elevation and no icon set.

Forecast requests go directly from the device to the open weather endpoint and parse into flat typed structures. There is no Luviasun backend, no relay, no analytics beacon and no third-party SDK inserted into the request path.

A time-lock caching matrix keeps the last verified snapshot in local Hive storage. Cached payloads are matched against the current date; at the midnight rollover the stored day is invalidated and a fresh pull is scheduled. Offline launches render the last verified snapshot instead of an empty state.