feat(schema,daemon): persist the conversation turn tree and prompt records

apps/daemon/drizzle/0010_chilly_swordsman.sql

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+ALTER TABLE `session_runs` ADD `run_id` text;--> statement-breakpoint
+ALTER TABLE `session_runs` ADD `base_turn_id` text;--> statement-breakpoint
+CREATE UNIQUE INDEX `session_runs_run_id_unique` ON `session_runs` (`run_id`);--> statement-breakpoint
+ALTER TABLE `sessions` ADD `origin_source_session_id` text;--> statement-breakpoint
+ALTER TABLE `sessions` ADD `origin_source_turn_id` text;--> statement-breakpoint
+ALTER TABLE `sessions` ADD `origin_forked_at` integer;--> statement-breakpoint
+ALTER TABLE `sessions` ADD `active_leaf_turn_id` text;--> statement-breakpoint
+ALTER TABLE `sessions` ADD `graph_revision` integer DEFAULT 0 NOT NULL;--> statement-breakpoint
+UPDATE `session_runs` SET `run_id` = 'run-' || lower(hex(randomblob(16))) WHERE `run_id` IS NULL;

apps/daemon/drizzle/0011_flippant_bastion.sql

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+CREATE TABLE `conversation_operations` (
+	`operation_id` text PRIMARY KEY NOT NULL,
+	`session_id` text NOT NULL,
+	`kind` text NOT NULL,
+	`state` text NOT NULL,
+	`turn_id` text,
+	`error_code` text,
+	`error_message` text,
+	`created_at` integer NOT NULL,
+	`resolved_at` integer,
+	FOREIGN KEY (`session_id`) REFERENCES `sessions`(`session_id`) ON UPDATE no action ON DELETE cascade
+);
+--> statement-breakpoint
+CREATE INDEX `conversation_operations_session_idx` ON `conversation_operations` (`session_id`);--> statement-breakpoint
+CREATE TABLE `conversation_turns` (
+	`turn_id` text PRIMARY KEY NOT NULL,
+	`session_id` text NOT NULL,
+	`parent_turn_id` text,
+	`sibling_ordinal` integer NOT NULL,
+	`input_type` text NOT NULL,
+	`prompt_id` text,
+	`command_name` text,
+	`command_arguments` text,
+	`shell_command` text,
+	`run_id` text NOT NULL,
+	`state` text NOT NULL,
+	`created_at` integer NOT NULL,
+	FOREIGN KEY (`session_id`) REFERENCES `sessions`(`session_id`) ON UPDATE no action ON DELETE cascade,
+	FOREIGN KEY (`parent_turn_id`) REFERENCES `conversation_turns`(`turn_id`) ON UPDATE no action ON DELETE cascade,
+	FOREIGN KEY (`prompt_id`) REFERENCES `prompts`(`prompt_id`) ON UPDATE no action ON DELETE no action
+);
+--> statement-breakpoint
+CREATE INDEX `conversation_turns_session_idx` ON `conversation_turns` (`session_id`);--> statement-breakpoint
+CREATE TABLE `prompt_attachment_refs` (
+	`prompt_id` text NOT NULL,
+	`attachment_id` text NOT NULL,
+	PRIMARY KEY(`prompt_id`, `attachment_id`),
+	FOREIGN KEY (`prompt_id`) REFERENCES `prompts`(`prompt_id`) ON UPDATE no action ON DELETE cascade
+);
+--> statement-breakpoint
+CREATE TABLE `prompts` (
+	`prompt_id` text PRIMARY KEY NOT NULL,
+	`blocks_json` text NOT NULL,
+	`context_attachment_ids_json` text NOT NULL,
+	`created_at` integer NOT NULL
+);
+--> statement-breakpoint
+CREATE TABLE `provider_turn_bindings` (
+	`turn_id` text NOT NULL,
+	`run_id` text NOT NULL,
+	`history_id` text NOT NULL,
+	`checkpoint` text NOT NULL,
+	`captured_from` text NOT NULL,
+	PRIMARY KEY(`turn_id`, `history_id`),
+	FOREIGN KEY (`turn_id`) REFERENCES `conversation_turns`(`turn_id`) ON UPDATE no action ON DELETE cascade
+);

apps/daemon/drizzle/0012_overjoyed_risque.sql

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+CREATE UNIQUE INDEX `conversation_operations_open_session_unique` ON `conversation_operations` (`session_id`) WHERE state = 'open';--> statement-breakpoint
+CREATE UNIQUE INDEX `conversation_turns_sibling_unique` ON `conversation_turns` (`session_id`,`parent_turn_id`,`sibling_ordinal`) WHERE parent_turn_id IS NOT NULL;--> statement-breakpoint
+CREATE UNIQUE INDEX `conversation_turns_root_sibling_unique` ON `conversation_turns` (`session_id`,`sibling_ordinal`) WHERE parent_turn_id IS NULL;