feat: add startup script logs to the ui (#6558)

* Add startup script logs to the database

* Add coderd endpoints for startup script logs

* Push startup script logs from agent

* Pull startup script logs on frontend

* Rename queries

* Add constraint

* Start creating log sending loop

* Add log sending to the agent

* Add tests for streaming logs

* Shorten notify channel name

* Add FE

* Improve bulk log performance

* Finish UI display

* Fix startup log visibility

* Add warning for overflow

* Fix agent queue logs overflow

* Display staartup logs in a virtual DOM for performance

* Fix agent queue with loads of logs

* Fix authorize test

* Remove faulty test

* Fix startup and shutdown reporting error

* Fix gen

* Fix comments

* Periodically purge old database entries

* Add test fixture for migration

* Add Storybook

* Check if there are logs when displaying features

* Fix startup component overflow gap

* Fix startup log wrapping

---------

Co-authored-by: Asher <ash@coder.com>

coderd/database/migrations/000110_add_startup_logs.down.sql

@@ -0,0 +1,4 @@
+DROP TABLE workspace_agent_startup_logs;
+ALTER TABLE ONLY workspace_agents
+	DROP COLUMN startup_logs_length,
+	DROP COLUMN startup_logs_overflowed;

coderd/database/migrations/000110_add_startup_logs.up.sql

@@ -0,0 +1,18 @@
+BEGIN;
+
+CREATE TABLE IF NOT EXISTS workspace_agent_startup_logs (
+    agent_id uuid NOT NULL REFERENCES workspace_agents (id) ON DELETE CASCADE,
+    created_at timestamptz NOT NULL,
+    output varchar(1024) NOT NULL,
+	id BIGSERIAL PRIMARY KEY
+);
+CREATE INDEX workspace_agent_startup_logs_id_agent_id_idx ON workspace_agent_startup_logs USING btree (agent_id, id ASC);
+
+-- The maximum length of startup logs is 1MB per workspace agent.
+ALTER TABLE workspace_agents ADD COLUMN startup_logs_length integer NOT NULL DEFAULT 0 CONSTRAINT max_startup_logs_length CHECK (startup_logs_length <= 1048576);
+ALTER TABLE workspace_agents ADD COLUMN startup_logs_overflowed boolean NOT NULL DEFAULT false;
+
+COMMENT ON COLUMN workspace_agents.startup_logs_length IS 'Total length of startup logs';
+COMMENT ON COLUMN workspace_agents.startup_logs_overflowed IS 'Whether the startup logs overflowed in length';
+
+COMMIT;

coderd/database/migrations/testdata/fixtures/000110_workspace_agent_startup_logs.up.sql

@@ -0,0 +1,9 @@
+INSERT INTO workspace_agent_startup_logs (
+	agent_id,
+	created_at,
+	output
+) VALUES (
+	'45e89705-e09d-4850-bcec-f9a937f5d78d',
+	NOW(),
+	'output'
+);