Add hardware ingest flow and UI upload

migrations/0007_hardware_ingest/down.sql

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+DROP TABLE IF EXISTS asset_firmware_states;
+
+ALTER TABLE timeline_events
+    DROP COLUMN details;
+
+ALTER TABLE observations
+    DROP COLUMN details;

migrations/0007_hardware_ingest/up.sql

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+ALTER TABLE observations
+    ADD COLUMN details JSON NULL;
+
+ALTER TABLE timeline_events
+    ADD COLUMN details JSON NULL;
+
+CREATE TABLE IF NOT EXISTS asset_firmware_states (
+    asset_id BIGINT NOT NULL,
+    device_name VARCHAR(255) NOT NULL,
+    firmware_version VARCHAR(255) NOT NULL,
+    updated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+    PRIMARY KEY (asset_id, device_name),
+    CONSTRAINT fk_asset_firmware_states_asset
+        FOREIGN KEY (asset_id) REFERENCES assets(id)
+        ON DELETE CASCADE ON UPDATE CASCADE
+);

migrations/0008_service_uniques/down.sql

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+ALTER TABLE projects
+    DROP INDEX uniq_projects_customer_name;
+
+ALTER TABLE customers
+    DROP INDEX uniq_customers_name;

migrations/0008_service_uniques/up.sql

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+ALTER TABLE customers
+    ADD UNIQUE KEY uniq_customers_name (name);
+
+ALTER TABLE projects
+    ADD UNIQUE KEY uniq_projects_customer_name (customer_id, name);