feat(FN-3117): add plugin dashboard views, chat session icons, and SQLite t

This release (v0.15.0) brings significant plugin system enhancements including a new dependency graph plugin with dashboard view, plugin skills in session selection, and extended plugin UI slot metadata. Database improvements add SQLite WAL tuning, integrity checks, and batch writes for agent logs.

Fusion-Task-Id: FN-3117

packages/engine/src/session-skill-context.ts

@@ -30,6 +30,8 @@
  */
 
 import type { Agent, AgentStore } from "@fusion/core";
+import { piLog } from "./logger.js";
+import type { PluginRunner } from "./plugin-runner.js";
 import type { SkillSelectionContext } from "./skill-resolver.js";
 
 // ── Types ───────────────────────────────────────────────────────────────────
@@ -52,6 +54,8 @@ export interface SessionSkillContextInput {
   sessionPurpose: SessionPurpose;
   /** Absolute path to project root */
   projectRootDir: string;
+  /** Optional plugin runner for plugin-contributed skills */
+  pluginRunner?: PluginRunner;
 }
 
 /**
@@ -107,6 +111,41 @@ export function normalizeAgentSkills(
   return result;
 }
 
+export function collectPluginSkillNames(
+  pluginRunner: PluginRunner | undefined,
+): { names: string[]; pluginIds: string[] } {
+  if (!pluginRunner) {
+    return { names: [], pluginIds: [] };
+  }
+
+  const pluginSkills = pluginRunner.getPluginSkills();
+  const seenNames = new Set<string>();
+  const pluginIds = new Set<string>();
+  const names: string[] = [];
+
+  for (const contribution of pluginSkills) {
+    const { pluginId, skill } = contribution;
+    if (skill.enabled === false) {
+      continue;
+    }
+
+    const name = skill.name.trim();
+    if (name.length === 0 || seenNames.has(name)) {
+      continue;
+    }
+
+    seenNames.add(name);
+    pluginIds.add(pluginId);
+    names.push(name);
+    piLog.log(`[skills] Plugin ${pluginId} contributes skill: ${name}`);
+  }
+
+  return {
+    names,
+    pluginIds: Array.from(pluginIds),
+  };
+}
+
 // ── Role Fallback Mapping ───────────────────────────────────────────────────
 
 /**
@@ -185,18 +224,20 @@ export async function buildSessionSkillContext(
         );
 
         if (agentSkills.length > 0) {
-          // Found valid skills from assigned agent
-          const skillSelectionContext: SkillSelectionContext = {
-            projectRootDir,
-            requestedSkillNames: agentSkills,
+          return mergePluginSkills(
+            {
+              skillSelectionContext: {
+                projectRootDir,
+                requestedSkillNames: agentSkills,
+                sessionPurpose,
+              },
+              resolvedSkillNames: agentSkills,
+              skillSource: "assigned-agent",
+            },
             sessionPurpose,
-          };
-
-          return {
-            skillSelectionContext,
-            resolvedSkillNames: agentSkills,
-            skillSource: "assigned-agent",
-          };
+            projectRootDir,
+            input.pluginRunner,
+          );
         }
       }
     } catch {
@@ -204,7 +245,12 @@ export async function buildSessionSkillContext(
     }
   }
 
-  return resolveRoleFallback(sessionPurpose, projectRootDir);
+  return mergePluginSkills(
+    resolveRoleFallback(sessionPurpose, projectRootDir),
+    sessionPurpose,
+    projectRootDir,
+    input.pluginRunner,
+  );
 }
 
 function resolveRoleFallback(
@@ -232,6 +278,53 @@ function resolveRoleFallback(
   };
 }
 
+function mergePluginSkills(
+  baseResult: SessionSkillContextResult,
+  sessionPurpose: SessionPurpose,
+  projectRootDir: string,
+  pluginRunner: PluginRunner | undefined,
+): SessionSkillContextResult {
+  const { names: pluginSkillNames } = collectPluginSkillNames(pluginRunner);
+  if (pluginSkillNames.length === 0) {
+    return baseResult;
+  }
+
+  const mergedNames = [...baseResult.resolvedSkillNames];
+  const existingNames = new Set(mergedNames.map((name) => name.toLowerCase()));
+  const appendedPluginNames: string[] = [];
+
+  for (const pluginSkillName of pluginSkillNames) {
+    const key = pluginSkillName.toLowerCase();
+    if (existingNames.has(key)) {
+      continue;
+    }
+
+    existingNames.add(key);
+    mergedNames.push(pluginSkillName);
+    appendedPluginNames.push(pluginSkillName);
+  }
+
+  if (appendedPluginNames.length > 0) {
+    piLog.log(
+      `[skills] Merged ${appendedPluginNames.length} plugin skill(s) into ${sessionPurpose} session: [${appendedPluginNames.join(", ")}]`,
+    );
+  }
+
+  if (mergedNames.length === 0) {
+    return baseResult;
+  }
+
+  return {
+    skillSelectionContext: {
+      projectRootDir,
+      requestedSkillNames: mergedNames,
+      sessionPurpose,
+    },
+    resolvedSkillNames: mergedNames,
+    skillSource: baseResult.skillSource === "none" ? "role-fallback" : baseResult.skillSource,
+  };
+}
+
 // ── Sync Builder (for hot paths) ────────────────────────────────────────────
 
 /**
@@ -244,6 +337,7 @@ export function buildSessionSkillContextSync(
   agent: Agent | null | undefined,
   sessionPurpose: SessionPurpose,
   projectRootDir: string,
+  pluginRunner?: PluginRunner,
 ): SessionSkillContextResult {
   // Rule 1: Check assigned agent skills
   if (agent) {
@@ -252,19 +346,27 @@ export function buildSessionSkillContextSync(
     );
 
     if (agentSkills.length > 0) {
-      const skillSelectionContext: SkillSelectionContext = {
-        projectRootDir,
-        requestedSkillNames: agentSkills,
+      return mergePluginSkills(
+        {
+          skillSelectionContext: {
+            projectRootDir,
+            requestedSkillNames: agentSkills,
+            sessionPurpose,
+          },
+          resolvedSkillNames: agentSkills,
+          skillSource: "assigned-agent",
+        },
         sessionPurpose,
-      };
-
-      return {
-        skillSelectionContext,
-        resolvedSkillNames: agentSkills,
-        skillSource: "assigned-agent",
-      };
+        projectRootDir,
+        pluginRunner,
+      );
     }
   }
 
-  return resolveRoleFallback(sessionPurpose, projectRootDir);
+  return mergePluginSkills(
+    resolveRoleFallback(sessionPurpose, projectRootDir),
+    sessionPurpose,
+    projectRootDir,
+    pluginRunner,
+  );
 }