feat(solver): balance temperature-qualified factory flows

Preserve exact and ranged fluid identities across block boundaries, goals, favorites, factory overview, and Scenario routing. Recover compatible coproduct supply without collapsing temperatures.

Scale configured electricity suppliers through the coupled factory model while retaining count-pinned generation and keeping heat block-local.

Closes #158

Closes #159

Author: ApocDev

app/drizzle/0014_fluid-temperature-flows.sql

@@ -0,0 +1,3 @@
+ALTER TABLE `block_flows` ADD `temperature_mode` text;--> statement-breakpoint
+ALTER TABLE `block_flows` ADD `min_temp` real;--> statement-breakpoint
+ALTER TABLE `block_flows` ADD `max_temp` real;