diff --git a/understand-anything-plugin/packages/core/src/__tests__/language-registry.test.ts b/understand-anything-plugin/packages/core/src/__tests__/language-registry.test.ts
index c3a8b75..289f3db 100644
--- a/understand-anything-plugin/packages/core/src/__tests__/language-registry.test.ts
+++ b/understand-anything-plugin/packages/core/src/__tests__/language-registry.test.ts
@@ -32,9 +32,9 @@ describe("LanguageRegistry", () => {
     expect(registry.getForFile("file.unknown")).toBeNull();
   });
 
-  it("returns null for files without extensions", () => {
+  it("returns null for files without extensions and no filename match", () => {
     const registry = new LanguageRegistry();
-    expect(registry.getForFile("Makefile")).toBeNull();
+    expect(registry.getForFile("SOMEFILE")).toBeNull();
   });
 
   it("lists all registered languages", () => {
@@ -48,10 +48,10 @@ describe("LanguageRegistry", () => {
   });
 
   describe("createDefault", () => {
-    it("registers all 12 built-in language configs", () => {
+    it("registers all 38 built-in language configs", () => {
       const registry = LanguageRegistry.createDefault();
       const all = registry.getAllLanguages();
-      expect(all.length).toBe(12);
+      expect(all.length).toBe(38);
     });
 
     it("maps all expected extensions", () => {
@@ -88,4 +88,56 @@ describe("LanguageRegistry", () => {
       }
     });
   });
+
+  describe("Non-code language configs", () => {
+    it("detects all non-code file types via extension", () => {
+      const registry = LanguageRegistry.createDefault();
+      const expectations: [string, string][] = [
+        ["README.md", "markdown"],
+        ["config.yaml", "yaml"],
+        ["package.json", "json"],
+        ["config.toml", "toml"],
+        [".env", "env"],
+        ["pom.xml", "xml"],
+        ["Dockerfile", "dockerfile"],
+        ["schema.sql", "sql"],
+        ["schema.graphql", "graphql"],
+        ["types.proto", "protobuf"],
+        ["main.tf", "terraform"],
+        ["Makefile", "makefile"],
+        ["deploy.sh", "shell"],
+        ["index.html", "html"],
+        ["styles.css", "css"],
+        ["data.csv", "csv"],
+        ["deploy.ps1", "powershell"],
+      ];
+      for (const [file, expectedId] of expectations) {
+        const config = registry.getForFile(file);
+        expect(config?.id, `${file} should be detected as ${expectedId}`).toBe(expectedId);
+      }
+    });
+
+    it("detects filename-based configs (Dockerfile, Makefile, Jenkinsfile)", () => {
+      const registry = LanguageRegistry.createDefault();
+      expect(registry.getForFile("Dockerfile")?.id).toBe("dockerfile");
+      expect(registry.getForFile("Makefile")?.id).toBe("makefile");
+      expect(registry.getForFile("Jenkinsfile")?.id).toBe("jenkinsfile");
+      expect(registry.getForFile("src/Dockerfile")?.id).toBe("dockerfile");
+      expect(registry.getForFile("build/Makefile")?.id).toBe("makefile");
+    });
+
+    it("detects filename-based configs for docker-compose", () => {
+      const registry = LanguageRegistry.createDefault();
+      expect(registry.getForFile("docker-compose.yml")?.id).toBe("docker-compose");
+      expect(registry.getForFile("docker-compose.yaml")?.id).toBe("docker-compose");
+      expect(registry.getForFile("compose.yml")?.id).toBe("docker-compose");
+    });
+
+    it("detects .env file variants", () => {
+      const registry = LanguageRegistry.createDefault();
+      expect(registry.getForFile(".env")?.id).toBe("env");
+      expect(registry.getForFile(".env.local")?.id).toBe("env");
+      expect(registry.getForFile(".env.production")?.id).toBe("env");
+    });
+  });
 });
diff --git a/understand-anything-plugin/packages/core/src/languages/configs/json-schema.ts b/understand-anything-plugin/packages/core/src/languages/configs/json-schema.ts
index 8a132c8..4e0d9d3 100644
--- a/understand-anything-plugin/packages/core/src/languages/configs/json-schema.ts
+++ b/understand-anything-plugin/packages/core/src/languages/configs/json-schema.ts
@@ -1,5 +1,9 @@
 import type { LanguageConfig } from "../types.js";
 
+// TODO: JSON Schema files have no unique extension — *.schema.json files will match
+// `jsonConfigConfig` by the `.json` extension. Detection requires content-based
+// heuristics (e.g., checking for `"$schema"` or `"type"` keys at the root level).
+// A future content-based detection pass could re-classify them as JSON Schema.
 export const jsonSchemaConfig = {
   id: "json-schema",
   displayName: "JSON Schema",
diff --git a/understand-anything-plugin/packages/core/src/languages/configs/kubernetes.ts b/understand-anything-plugin/packages/core/src/languages/configs/kubernetes.ts
index 9380319..94e03af 100644
--- a/understand-anything-plugin/packages/core/src/languages/configs/kubernetes.ts
+++ b/understand-anything-plugin/packages/core/src/languages/configs/kubernetes.ts
@@ -1,5 +1,10 @@
 import type { LanguageConfig } from "../types.js";
 
+// TODO: Kubernetes manifests are YAML files with no unique extension or filename.
+// Detection requires content-based or path-pattern heuristics (e.g., checking for
+// `apiVersion`/`kind` fields in YAML, or matching paths like `k8s/`, `kubernetes/`,
+// `deploy/`). Currently these files will match `yamlConfig` by extension (.yaml/.yml).
+// A future content-based detection pass could re-classify them as Kubernetes.
 export const kubernetesConfig = {
   id: "kubernetes",
   displayName: "Kubernetes",
diff --git a/understand-anything-plugin/packages/core/src/languages/configs/openapi.ts b/understand-anything-plugin/packages/core/src/languages/configs/openapi.ts
index ae250e5..ad026be 100644
--- a/understand-anything-plugin/packages/core/src/languages/configs/openapi.ts
+++ b/understand-anything-plugin/packages/core/src/languages/configs/openapi.ts
@@ -4,6 +4,7 @@ export const openapiConfig = {
   id: "openapi",
   displayName: "OpenAPI",
   extensions: [],
+  filenames: ["openapi.yaml", "openapi.json", "swagger.yaml", "swagger.json"],
   concepts: ["paths", "operations", "schemas", "parameters", "responses", "security schemes", "tags", "servers"],
   filePatterns: {
     entryPoints: ["openapi.yaml", "swagger.yaml"],
diff --git a/understand-anything-plugin/packages/dashboard/src/components/GraphView.tsx b/understand-anything-plugin/packages/dashboard/src/components/GraphView.tsx
index e3cd4bc..3732fa2 100644
--- a/understand-anything-plugin/packages/dashboard/src/components/GraphView.tsx
+++ b/understand-anything-plugin/packages/dashboard/src/components/GraphView.tsx
@@ -228,12 +228,20 @@ function useLayerDetailTopology() {
       table: "data", endpoint: "data", schema: "data",
     };
 
-    // Non-technical persona only sees concept/module/file nodes
+    // All top-level (file-level) node types that should appear in the graph.
+    // This includes the 8 new non-code types plus the original "file" type.
+    const fileLevelTypes = new Set([
+      "file", "config", "document", "service", "table",
+      "endpoint", "pipeline", "schema", "resource",
+    ]);
+
+    // Non-technical persona: show module, concept, and file-level types (hide function/class)
+    // Junior/experienced persona: show everything including function/class
     let filteredGraphNodes = persona === "non-technical"
       ? graph.nodes.filter(
-          (n) => layerNodeIds.has(n.id) && (n.type === "concept" || n.type === "module" || n.type === "file"),
+          (n) => layerNodeIds.has(n.id) && (n.type === "concept" || n.type === "module" || fileLevelTypes.has(n.type)),
         )
-      : graph.nodes.filter((n) => layerNodeIds.has(n.id) && n.type === "file");
+      : graph.nodes.filter((n) => layerNodeIds.has(n.id) && (fileLevelTypes.has(n.type) || n.type === "module" || n.type === "concept" || n.type === "function" || n.type === "class"));
 
     // Apply node type category filters
     filteredGraphNodes = filteredGraphNodes.filter((n) => {
diff --git a/understand-anything-plugin/skills/understand/file-analyzer-prompt.md b/understand-anything-plugin/skills/understand/file-analyzer-prompt.md
index ab95e1d..974d0a0 100644
--- a/understand-anything-plugin/skills/understand/file-analyzer-prompt.md
+++ b/understand-anything-plugin/skills/understand/file-analyzer-prompt.md
@@ -403,7 +403,10 @@ Using the script's structural data and file categories, create edges:
 | `migrates` | SQL migration file modifies a table/schema (e.g., ALTER TABLE, CREATE TABLE) | `0.7` | `forward` |
 | `triggers` | CI/CD config triggers a pipeline or deployment (e.g., GitHub Actions workflow deploys on push to main) | `0.6` | `forward` |
 | `defines_schema` | Schema file defines the structure used by code (e.g., GraphQL schema defines API types, Protobuf defines message format) | `0.8` | `forward` |
-| `related` | Non-code file is topically related to another file without a specific structural relationship | `0.3` | `forward` |
+| `serves` | K8s Service/Deployment exposes an endpoint, or a reverse proxy routes to a service | `0.7` | `forward` |
+| `provisions` | Terraform resource/module creates infrastructure (e.g., creates a database, provisions a VM) | `0.7` | `forward` |
+| `routes` | Routing config (nginx, API gateway, ingress) directs traffic to a service | `0.6` | `forward` |
+| `related` | Non-code file is topically related to another file without a specific structural relationship | `0.5` | `forward` |
 | `depends_on` | Non-code file depends on another file (e.g., docker-compose depends on Dockerfile, CI workflow depends on Makefile targets) | `0.6` | `forward` |
 
 **Import edge creation rule for code files:** For each resolved path in `batchImportData[filePath]` (provided in the input JSON), create an `imports` edge from the current file node to `file:<resolvedPath>`. The `batchImportData` values contain only resolved project-internal paths — external packages have already been filtered out. Do NOT attempt to re-resolve imports from source.
@@ -415,6 +418,9 @@ Using the script's structural data and file categories, create edges:
 - **SQL files:** Create `migrates` edges between migration files and the table nodes they modify. Create `defines_schema` edges from schema files to API handlers that serve that data.
 - **CI configs:** Create `triggers` edges to the deployment targets or test suites they invoke.
 - **GraphQL/Protobuf schemas:** Create `defines_schema` edges to the code files that implement the resolvers or service handlers.
+- **K8s manifests:** Create `serves` edges when a Service/Deployment exposes an endpoint or routes to a container. Create `deploys` edges to the application code that runs inside the container.
+- **Terraform files:** Create `provisions` edges from Terraform resource/module definitions to the infrastructure they create (e.g., database resources, VM instances).
+- **Routing configs (nginx, API gateway, ingress):** Create `routes` edges from routing configuration to the services they direct traffic to.
 
 Do NOT use edge types not listed in the tables above.
 
@@ -536,7 +542,7 @@ Produce a single, valid JSON block. Validate it mentally before writing -- malfo
 
 **Required fields for every node:**
 - `id` (string) -- must follow the ID conventions above
-- `type` (string) -- one of: `file`, `function`, `class`, `config`, `document`, `service`, `table`, `endpoint`, `pipeline`, `schema`, `resource`
+- `type` (string) -- one of: `file`, `function`, `class`, `config`, `document`, `service`, `table`, `endpoint`, `pipeline`, `schema`, `resource` (11 of the 13 schema types; `module` and `concept` are reserved for higher-level analysis agents)
 - `name` (string) -- display name (filename for file nodes, function/class name for others)
 - `summary` (string) -- 1-2 sentence description, NEVER empty
 - `tags` (string[]) -- 3-5 lowercase hyphenated tags, NEVER empty