feat(runs): add log search with backend LIKE filter and pagination

- add Search pill component with lucide icon and focus highlight
- wire debounced search input to GET /run/:id?q= backend filter
- backend filters run logs with LIKE %q% via TypeORM
- add sectionHeadingRow layout for heading + search alignment
- add i18n keys: runs.step_title, logs_search_placeholder

server/src/scenario/scenario.controller.ts

@@ -205,8 +205,9 @@ export class ScenarioController {
   findRun(
     @Param("id", ParseUUIDPipe) id: string,
     @Param("runId", ParseUUIDPipe) runId: string,
+    @Query("q") q?: string,
   ) {
-    return this.scenarioService.findRun(id, runId);
+    return this.scenarioService.findRun(id, runId, q);
   }
 
   @Post(":id/run/:runId/wait")

server/src/scenario/scenario.service.ts

@@ -1,6 +1,6 @@
 import { ConflictException, Injectable, NotFoundException } from "@nestjs/common";
 import { InjectRepository } from "@nestjs/typeorm";
-import { Repository } from "typeorm";
+import { Like, Repository } from "typeorm";
 import { ScenarioEntity } from "./scenario.entity";
 import { ScenarioStepEntity } from "./scenario-step.entity";
 import { ScenarioRunEntity } from "./scenario-run.entity";
@@ -247,6 +247,7 @@ export class ScenarioService {
   async findRun(
     scenarioId: string,
     runId: string,
+    q?: string,
   ): Promise<ScenarioRunEntity & { logs: ScenarioRunLogEntity[] }> {
     await this.findOne(scenarioId); // 404 guard
     const run = await this.runRepo.findOne({
@@ -259,7 +260,7 @@ export class ScenarioService {
         `Run ${runId} not found in scenario ${scenarioId}`,
       );
     const logs = await this.runLogRepo.find({
-      where: { runId },
+      where: q?.trim() ? { runId, message: Like(`%${q.trim()}%`) } : { runId },
       order: { createdAt: "ASC" },
     });
     return Object.assign(run, { logs });