feat: implement YAML-based configuration, .env support, and customizable prompt templates for AI analysis

data/config/filters.yaml

@@ -1,31 +1,103 @@
+# Hard exclusion keywords (immediate rejection)
 hard_keywords:
+  # Sponsorship / Clearance blockers
   - "no sponsorship"
+  - "without sponsorship"
   - "us citizen only"
+  - "u.s. citizen only"
+  - "active security clearance"
+  - "top secret/sci"
+  - "polygraph"
+  # Non-target employment types
   - "unpaid"
   - "volunteer"
+  - "internship"
+  - "co-op"
+  # Unrelated roles
+  - "sales representative"
+  - "account executive"
+  - "recruiter"
+  - "marketing manager"
 
+# Minimum score threshold to qualify for deep LLM analysis
+analysis_threshold: 25.0
+
+# Scored keywords with weights
 scoring_weights:
-  - keyword: golang
-    weight: 3.0
-  - keyword: go
-    weight: 2.0
-  - keyword: python
-    weight: 2.0
-  - keyword: kubernetes
-    weight: 3.0
-  - keyword: k8s
-    weight: 3.0
-  - keyword: docker
-    weight: 2.0
-  - keyword: aws
-    weight: 1.0
-  - keyword: gcp
-    weight: 1.0
-  - keyword: distributed systems
-    weight: 4.0
-  - keyword: backend
-    weight: 3.0
-  - keyword: ai
-    weight: -5.0
-  - keyword: machine learning
-    weight: -5.0
+  # Tier 1: Core Systems, Cloud & AI Infrastructure (High Priority)
+  - keyword: "kubernetes"
+    weight: 15.0
+  - keyword: "k8s"
+    weight: 15.0
+  - keyword: "golang"
+    weight: 15.0
+  - keyword: "go"
+    weight: 12.0
+  - keyword: "distributed systems"
+    weight: 15.0
+  - keyword: "ai runtime"
+    weight: 15.0
+  - keyword: "deep learning system"
+    weight: 15.0
+  - keyword: "machine learning infrastructure"
+    weight: 15.0
+  - keyword: "gke"
+    weight: 12.0
+  - keyword: "container runtime"
+    weight: 12.0
+  - keyword: "containerd"
+    weight: 10.0
+  - keyword: "c++"
+    weight: 10.0
+  - keyword: "linux kernel"
+    weight: 12.0
+  - keyword: "operating system"
+    weight: 10.0
+
+  # Tier 2: Cloud, Backend, Systems Programming (Medium Priority)
+  - keyword: "docker"
+    weight: 8.0
+  - keyword: "grpc"
+    weight: 8.0
+  - keyword: "protobuf"
+    weight: 6.0
+  - keyword: "microservices"
+    weight: 8.0
+  - keyword: "python"
+    weight: 6.0
+  - keyword: "cloud infrastructure"
+    weight: 10.0
+  - keyword: "virtualization"
+    weight: 8.0
+  - keyword: "hypervisor"
+    weight: 8.0
+  - keyword: "arm"
+    weight: 6.0
+  - keyword: "performance optimization"
+    weight: 8.0
+  - keyword: "low latency"
+    weight: 8.0
+
+  # Tier 3: Seniority & Qualifications
+  - keyword: "phd"
+    weight: 8.0
+  - keyword: "staff software engineer"
+    weight: 10.0
+  - keyword: "senior software engineer"
+    weight: 8.0
+  - keyword: "principal engineer"
+    weight: 10.0
+  - keyword: "tech lead"
+    weight: 6.0
+
+  # Tier 4: Negative/Irrelevant Focus Penalties
+  - keyword: "react native"
+    weight: -8.0
+  - keyword: "wordpress"
+    weight: -15.0
+  - keyword: "php"
+    weight: -10.0
+  - keyword: "salesforce"
+    weight: -10.0
+  - keyword: "frontend only"
+    weight: -10.0