Fix postedDate property and populate rich job feeds

src/data/mockData.ts

@@ -45,7 +45,7 @@ export const INITIAL_JOB_FEEDS: JobFeedItem[] = [
     platform: "Greenhouse",
     salary: "$145,000 - $185,000",
     estimatedMatch: 95,
-    postedAt: "Today",
+    postedDate: "Today",
     url: "https://ssc.com/careers/cybersecurity-engineer",
     description: "Lead daily SOC monitoring, incident response automation with AI tools, threat hunting, and SIEM optimization in Connecticut."
   },
@@ -57,7 +57,7 @@ export const INITIAL_JOB_FEEDS: JobFeedItem[] = [
     platform: "Lever",
     salary: "$175,000 - $225,000",
     estimatedMatch: 92,
-    postedAt: "Today",
+    postedDate: "Today",
     url: "https://coinbase.com/careers/security-architect",
     description: "Design secure cloud architecture, zero-trust infrastructure, and automated vulnerability management systems."
   },
@@ -69,7 +69,7 @@ export const INITIAL_JOB_FEEDS: JobFeedItem[] = [
     platform: "LinkedIn",
     salary: "$160,000 - $210,000",
     estimatedMatch: 88,
-    postedAt: "1 day ago",
+    postedDate: "1 day ago",
     url: "https://datadog.com/careers/devops-lead",
     description: "Architect CI/CD pipelines, Kubernetes clusters, infrastructure-as-code terraform templates, and cloud monitoring."
   },
@@ -81,7 +81,7 @@ export const INITIAL_JOB_FEEDS: JobFeedItem[] = [
     platform: "Workday",
     salary: "$180,000 - $240,000",
     estimatedMatch: 96,
-    postedAt: "Today",
+    postedDate: "Today",
     url: "https://anthropic.com/careers/soc-automation",
     description: "Leverage LLMs, Claude Code, and autonomous AI agents to automate daily security operations center workflows and log parsing."
   },
@@ -93,7 +93,7 @@ export const INITIAL_JOB_FEEDS: JobFeedItem[] = [
     platform: "Direct",
     salary: "$150,000 - $195,000",
     estimatedMatch: 84,
-    postedAt: "2 days ago",
+    postedDate: "2 days ago",
     url: "https://travelers.com/careers/security-manager",
     description: "Oversee enterprise cybersecurity posture, compliance standards, risk assessments, and incident response teams in Connecticut."
   },
@@ -105,7 +105,7 @@ export const INITIAL_JOB_FEEDS: JobFeedItem[] = [
     platform: "Glassdoor",
     salary: "$165,000 - $215,000",
     estimatedMatch: 89,
-    postedAt: "Today",
+    postedDate: "Today",
     url: "https://crowdstrike.com/careers/threat-analyst",
     description: "Track global nation-state threat actors, analyze malware payloads, and author threat intelligence briefings for enterprise customers."
   }