diff --git a/Package.swift b/Package.swift
index a63300be..69ca9d06 100644
--- a/Package.swift
+++ b/Package.swift
@@ -14,11 +14,12 @@ let package = Package(
     dependencies: [
         .package(url: "https://github.com/migueldeicaza/SwiftTerm", from: "1.0.0"),
         .package(url: "https://github.com/gonzalezreal/swift-markdown-ui", from: "2.4.0"),
+        .package(url: "https://github.com/PostHog/posthog-ios", from: "3.0.0"),
     ],
     targets: [
         .executableTarget(
             name: "KanbanCode",
-            dependencies: ["KanbanCodeCore", "SwiftTerm", .product(name: "MarkdownUI", package: "swift-markdown-ui")],
+            dependencies: ["KanbanCodeCore", "SwiftTerm", .product(name: "MarkdownUI", package: "swift-markdown-ui"), .product(name: "PostHog", package: "posthog-ios")],
             path: "Sources/KanbanCode",
             resources: [.copy("Resources")]
         ),
diff --git a/Sources/KanbanCode/Analytics.swift b/Sources/KanbanCode/Analytics.swift
new file mode 100644
index 00000000..97fa0b1b
--- /dev/null
+++ b/Sources/KanbanCode/Analytics.swift
@@ -0,0 +1,88 @@
+import Foundation
+import PostHog
+import KanbanCodeCore
+
+enum Analytics {
+    private static let apiKey = "phc_REPLACE_WITH_YOUR_KEY"
+    private static let host = "https://us.i.posthog.com"
+
+    static func setup() {
+        let config = PostHogConfig(apiKey: apiKey, host: host)
+        config.captureApplicationLifecycleEvents = true
+        config.captureScreenViews = false
+        config.sendFeatureFlagsOnNewIdentity = false
+        PostHogSDK.shared.setup(config)
+
+        capture("app_opened")
+    }
+
+    static func capture(_ event: String, properties: [String: Any] = [:]) {
+        var props = properties
+        props["platform"] = "macos"
+        props["app_version"] = Bundle.main.infoDictionary?["CFBundleShortVersionString"] as? String ?? "unknown"
+        PostHogSDK.shared.capture(event, properties: props)
+    }
+
+    /// Hook into BoardStore.onAction to track user-initiated actions.
+    static func trackAction(_ action: Action) {
+        switch action {
+        // Card lifecycle
+        case .createManualTask:
+            capture("card_created")
+        case .launchCard(_, _, _, let worktreeName, let runRemotely, _):
+            capture("card_launched", properties: [
+                "has_worktree": worktreeName != nil,
+                "run_remotely": runRemotely,
+            ])
+        case .resumeCard:
+            capture("card_resumed")
+        case .moveCard(_, let to):
+            capture("card_moved", properties: ["to_column": to.rawValue])
+        case .deleteCard:
+            capture("card_deleted")
+        case .archiveCard:
+            capture("card_archived")
+        case .renameCard:
+            capture("card_renamed")
+        case .mergeCards:
+            capture("cards_merged")
+
+        // Terminal
+        case .createTerminal:
+            capture("terminal_created")
+        case .addExtraTerminal:
+            capture("extra_terminal_added")
+        case .killTerminal:
+            capture("terminal_killed")
+
+        // Queued prompts
+        case .addQueuedPrompt:
+            capture("queued_prompt_added")
+        case .sendQueuedPrompt:
+            capture("queued_prompt_sent")
+        case .removeQueuedPrompt:
+            capture("queued_prompt_removed")
+
+        // Linking
+        case .addBranchToCard:
+            capture("branch_linked")
+        case .addIssueLinkToCard:
+            capture("issue_linked")
+        case .addPRToCard:
+            capture("pr_linked")
+        case .markPRMerged:
+            capture("pr_marked_merged")
+
+        // Selection
+        case .selectCard(let cardId):
+            if cardId != nil { capture("card_selected") }
+
+        case .setSelectedProject(let path):
+            capture("project_filtered", properties: ["has_filter": path != nil])
+
+        // Skip internal/background actions
+        default:
+            break
+        }
+    }
+}
diff --git a/Sources/KanbanCode/App.swift b/Sources/KanbanCode/App.swift
index 4ae10d05..45e93069 100644
--- a/Sources/KanbanCode/App.swift
+++ b/Sources/KanbanCode/App.swift
@@ -72,6 +72,8 @@ struct KanbanCodeApp: App {
 
 final class AppDelegate: NSObject, NSApplicationDelegate, UNUserNotificationCenterDelegate, @unchecked Sendable {
     func applicationDidFinishLaunching(_ notification: Notification) {
+        Analytics.setup()
+
         NSApp.setActivationPolicy(.regular)
         NSApp.activate(ignoringOtherApps: true)
         if let window = NSApp.windows.first {
diff --git a/Sources/KanbanCode/ContentView.swift b/Sources/KanbanCode/ContentView.swift
index 49913ea6..a7f78611 100644
--- a/Sources/KanbanCode/ContentView.swift
+++ b/Sources/KanbanCode/ContentView.swift
@@ -145,6 +145,7 @@ struct ContentView: View {
             worktreeAdapter: GitWorktreeAdapter(),
             tmuxAdapter: tmux
         )
+        boardStore.onAction = { action in Analytics.trackAction(action) }
 
         // Load Pushover from settings.json, wrap in CompositeNotifier with macOS fallback
         let pushover = Self.loadPushoverConfig()
diff --git a/Sources/KanbanCodeCore/UseCases/BoardStore.swift b/Sources/KanbanCodeCore/UseCases/BoardStore.swift
index e7c67a50..160a703c 100644
--- a/Sources/KanbanCodeCore/UseCases/BoardStore.swift
+++ b/Sources/KanbanCodeCore/UseCases/BoardStore.swift
@@ -1153,6 +1153,9 @@ public final class BoardStore: @unchecked Sendable {
 
     public let sessionStore: SessionStore
 
+    /// Optional callback invoked on every user-initiated dispatch. Used for analytics.
+    public var onAction: (@MainActor (Action) -> Void)?
+
     public init(
         effectHandler: EffectHandler,
         discovery: SessionDiscovery,
@@ -1178,6 +1181,7 @@ public final class BoardStore: @unchecked Sendable {
 
     /// Dispatch an action. Reducer runs synchronously, effects run async.
     public func dispatch(_ action: Action) {
+        onAction?(action)
         let effects = Reducer.reduce(state: &state, action: action)
         state.rebuildCards()
         for effect in effects {
diff --git a/windows/package-lock.json b/windows/package-lock.json
index 2187c603..d94c4a70 100644
--- a/windows/package-lock.json
+++ b/windows/package-lock.json
@@ -20,6 +20,7 @@
         "@xterm/addon-web-links": "^0.12.0",
         "@xterm/xterm": "^6.0.0",
         "fuse.js": "^7.1.0",
+        "posthog-js": "^1.360.0",
         "react": "^18.3.1",
         "react-dom": "^18.3.1",
         "tauri-pty": "^0.2.1",
@@ -833,6 +834,331 @@
         "@jridgewell/sourcemap-codec": "^1.4.14"
       }
     },
+    "node_modules/@opentelemetry/api": {
+      "version": "1.9.0",
+      "resolved": "https://registry.npmjs.org/@opentelemetry/api/-/api-1.9.0.tgz",
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+      "license": "Apache-2.0",
+      "engines": {
+        "node": ">=8.0.0"
+      }
+    },
+    "node_modules/@opentelemetry/api-logs": {
+      "version": "0.208.0",
+      "resolved": "https://registry.npmjs.org/@opentelemetry/api-logs/-/api-logs-0.208.0.tgz",
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+        "@protobufjs/aspromise": "^1.1.1",
+        "@protobufjs/inquire": "^1.1.0"
+      }
+    },
+    "node_modules/@protobufjs/float": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/@protobufjs/float/-/float-1.0.2.tgz",
+      "integrity": "sha512-Ddb+kVXlXst9d+R9PfTIxh1EdNkgoRe5tOX6t01f1lYWOvJnSPDBlG241QLzcyPdoNTsblLUdujGSE4RzrTZGQ==",
+      "license": "BSD-3-Clause"
+    },
+    "node_modules/@protobufjs/inquire": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/@protobufjs/inquire/-/inquire-1.1.0.tgz",
+      "integrity": "sha512-kdSefcPdruJiFMVSbn801t4vFK7KB/5gd2fYvrxhuJYg8ILrmn9SKSX2tZdV6V+ksulWqS7aXjBcRXl3wHoD9Q==",
+      "license": "BSD-3-Clause"
+    },
+    "node_modules/@protobufjs/path": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/@protobufjs/path/-/path-1.1.2.tgz",
+      "integrity": "sha512-6JOcJ5Tm08dOHAbdR3GrvP+yUUfkjG5ePsHYczMFLq3ZmMkAD98cDgcT2iA1lJ9NVwFd4tH/iSSoe44YWkltEA==",
+      "license": "BSD-3-Clause"
+    },
+    "node_modules/@protobufjs/pool": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/@protobufjs/pool/-/pool-1.1.0.tgz",
+      "integrity": "sha512-0kELaGSIDBKvcgS4zkjz1PeddatrjYcmMWOlAuAPwAeccUrPHdUqo/J6LiymHHEiJT5NrF1UVwxY14f+fy4WQw==",
+      "license": "BSD-3-Clause"
+    },
+    "node_modules/@protobufjs/utf8": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/@protobufjs/utf8/-/utf8-1.1.0.tgz",
+      "integrity": "sha512-Vvn3zZrhQZkkBE8LSuW3em98c0FwgO4nxzv6OdSxPKJIEKY2bGbHn+mhGIPerzI4twdxaP8/0+06HBpwf345Lw==",
+      "license": "BSD-3-Clause"
+    },
     "node_modules/@rolldown/pluginutils": {
       "version": "1.0.0-beta.27",
       "resolved": "https://registry.npmjs.org/@rolldown/pluginutils/-/pluginutils-1.0.0-beta.27.tgz",
@@ -1727,6 +2053,15 @@
       "integrity": "sha512-dWHzHa2WqEXI/O1E9OjrocMTKJl2mSrEolh1Iomrv6U+JuNwaHXsXx9bLu5gG7BUWFIN0skIQJQ/L1rIex4X6w==",
       "license": "MIT"
     },
+    "node_modules/@types/node": {
+      "version": "25.3.5",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-25.3.5.tgz",
+      "integrity": "sha512-oX8xrhvpiyRCQkG1MFchB09f+cXftgIXb3a7UUa4Y3wpmZPw5tyZGTLWhlESOLq1Rq6oDlc8npVU2/9xiCuXMA==",
+      "license": "MIT",
+      "dependencies": {
+        "undici-types": "~7.18.0"
+      }
+    },
     "node_modules/@types/prop-types": {
       "version": "15.7.15",
       "resolved": "https://registry.npmjs.org/@types/prop-types/-/prop-types-15.7.15.tgz",
@@ -1755,6 +2090,13 @@
         "@types/react": "^18.0.0"
       }
     },
+    "node_modules/@types/trusted-types": {
+      "version": "2.0.7",
+      "resolved": "https://registry.npmjs.org/@types/trusted-types/-/trusted-types-2.0.7.tgz",
+      "integrity": "sha512-ScaPdn1dQczgbl0QFTeTOmVHFULt394XJgOQNoyVhZ6r2vLnMLJfBPd53SB52T/3G36VI1/g2MZaX0cwDuXsfw==",
+      "license": "MIT",
+      "optional": true
+    },
     "node_modules/@vitejs/plugin-react": {
       "version": "4.7.0",
       "resolved": "https://registry.npmjs.org/@vitejs/plugin-react/-/plugin-react-4.7.0.tgz",
@@ -1909,6 +2251,31 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/core-js": {
+      "version": "3.48.0",
+      "resolved": "https://registry.npmjs.org/core-js/-/core-js-3.48.0.tgz",
+      "integrity": "sha512-zpEHTy1fjTMZCKLHUZoVeylt9XrzaIN2rbPXEt0k+q7JE5CkCZdo6bNq55bn24a69CH7ErAVLKijxJja4fw+UQ==",
+      "hasInstallScript": true,
+      "license": "MIT",
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/core-js"
+      }
+    },
+    "node_modules/cross-spawn": {
+      "version": "7.0.6",
+      "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-7.0.6.tgz",
+      "integrity": "sha512-uV2QOWP2nWzsy2aMp8aRibhi9dlzF5Hgh5SHaB9OiTGEyDTiJJyx0uy51QXdyWbtAHNua4XJzUKca3OzKUd3vA==",
+      "license": "MIT",
+      "dependencies": {
+        "path-key": "^3.1.0",
+        "shebang-command": "^2.0.0",
+        "which": "^2.0.1"
+      },
+      "engines": {
+        "node": ">= 8"
+      }
+    },
     "node_modules/csstype": {
       "version": "3.2.3",
       "resolved": "https://registry.npmjs.org/csstype/-/csstype-3.2.3.tgz",
@@ -1943,6 +2310,18 @@
         "node": ">=8"
       }
     },
+    "node_modules/dompurify": {
+      "version": "3.3.2",
+      "resolved": "https://registry.npmjs.org/dompurify/-/dompurify-3.3.2.tgz",
+      "integrity": "sha512-6obghkliLdmKa56xdbLOpUZ43pAR6xFy1uOrxBaIDjT+yaRuuybLjGS9eVBoSR/UPU5fq3OXClEHLJNGvbxKpQ==",
+      "license": "(MPL-2.0 OR Apache-2.0)",
+      "engines": {
+        "node": ">=20"
+      },
+      "optionalDependencies": {
+        "@types/trusted-types": "^2.0.7"
+      }
+    },
     "node_modules/electron-to-chromium": {
       "version": "1.5.307",
       "resolved": "https://registry.npmjs.org/electron-to-chromium/-/electron-to-chromium-1.5.307.tgz",
@@ -2031,6 +2410,12 @@
         }
       }
     },
+    "node_modules/fflate": {
+      "version": "0.4.8",
+      "resolved": "https://registry.npmjs.org/fflate/-/fflate-0.4.8.tgz",
+      "integrity": "sha512-FJqqoDBR00Mdj9ppamLa/Y7vxm+PRmNWA67N846RvsoYVMKB4q3y/de5PA7gUmRMYK/8CMz2GDZQmCRN1wBcWA==",
+      "license": "MIT"
+    },
     "node_modules/fraction.js": {
       "version": "5.3.4",
       "resolved": "https://registry.npmjs.org/fraction.js/-/fraction.js-5.3.4.tgz",
@@ -2084,6 +2469,12 @@
       "integrity": "sha512-RbJ5/jmFcNNCcDV5o9eTnBLJ/HszWV0P73bc+Ff4nS/rJj+YaS6IGyiOL0VoBYX+l1Wrl3k63h/KrH+nhJ0XvQ==",
       "license": "ISC"
     },
+    "node_modules/isexe": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/isexe/-/isexe-2.0.0.tgz",
+      "integrity": "sha512-RHxMLp9lnKHGHRng9QFhRCMbYAcVpn69smSGcq3f36xjgVVWThj4qqLbTLlq7Ssj8B+fIQ1EuCEGI2lKsyQeIw==",
+      "license": "ISC"
+    },
     "node_modules/jiti": {
       "version": "2.6.1",
       "resolved": "https://registry.npmjs.org/jiti/-/jiti-2.6.1.tgz",
@@ -2374,6 +2765,12 @@
         "url": "https://opencollective.com/parcel"
       }
     },
+    "node_modules/long": {
+      "version": "5.3.2",
+      "resolved": "https://registry.npmjs.org/long/-/long-5.3.2.tgz",
+      "integrity": "sha512-mNAgZ1GmyNhD7AuqnTG3/VQ26o760+ZYBPKjPvugO8+nLbYfX6TVpJPseBvopbdY+qpZ/lKUnmEc1LeZYS3QAA==",
+      "license": "Apache-2.0"
+    },
     "node_modules/loose-envify": {
       "version": "1.4.0",
       "resolved": "https://registry.npmjs.org/loose-envify/-/loose-envify-1.4.0.tgz",
@@ -2437,6 +2834,15 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/path-key": {
+      "version": "3.1.1",
+      "resolved": "https://registry.npmjs.org/path-key/-/path-key-3.1.1.tgz",
+      "integrity": "sha512-ojmeN0qd+y0jszEtoY48r0Peq5dwMEkIlCOu6Q5f41lfkswXuKtYrhgoTpLnyIcHm24Uhqx+5Tqm2InSwLhE6Q==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=8"
+      }
+    },
     "node_modules/picocolors": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/picocolors/-/picocolors-1.1.1.tgz",
@@ -2490,6 +2896,67 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/posthog-js": {
+      "version": "1.360.0",
+      "resolved": "https://registry.npmjs.org/posthog-js/-/posthog-js-1.360.0.tgz",
+      "integrity": "sha512-jkyO+T97yi6RuiexOaXC7AnEGiC+yIfGU5DIUzI5rqBH6MltmtJw/ve2Oxc4jeua2WDr5sXMzo+SS+acbpueAA==",
+      "license": "SEE LICENSE IN LICENSE",
+      "dependencies": {
+        "@opentelemetry/api": "^1.9.0",
+        "@opentelemetry/api-logs": "^0.208.0",
+        "@opentelemetry/exporter-logs-otlp-http": "^0.208.0",
+        "@opentelemetry/resources": "^2.2.0",
+        "@opentelemetry/sdk-logs": "^0.208.0",
+        "@posthog/core": "1.23.2",
+        "@posthog/types": "1.360.0",
+        "core-js": "^3.38.1",
+        "dompurify": "^3.3.2",
+        "fflate": "^0.4.8",
+        "preact": "^10.28.2",
+        "query-selector-shadow-dom": "^1.0.1",
+        "web-vitals": "^5.1.0"
+      }
+    },
+    "node_modules/preact": {
+      "version": "10.28.4",
+      "resolved": "https://registry.npmjs.org/preact/-/preact-10.28.4.tgz",
+      "integrity": "sha512-uKFfOHWuSNpRFVTnljsCluEFq57OKT+0QdOiQo8XWnQ/pSvg7OpX5eNOejELXJMWy+BwM2nobz0FkvzmnpCNsQ==",
+      "license": "MIT",
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/preact"
+      }
+    },
+    "node_modules/protobufjs": {
+      "version": "7.5.4",
+      "resolved": "https://registry.npmjs.org/protobufjs/-/protobufjs-7.5.4.tgz",
+      "integrity": "sha512-CvexbZtbov6jW2eXAvLukXjXUW1TzFaivC46BpWc/3BpcCysb5Vffu+B3XHMm8lVEuy2Mm4XGex8hBSg1yapPg==",
+      "hasInstallScript": true,
+      "license": "BSD-3-Clause",
+      "dependencies": {
+        "@protobufjs/aspromise": "^1.1.2",
+        "@protobufjs/base64": "^1.1.2",
+        "@protobufjs/codegen": "^2.0.4",
+        "@protobufjs/eventemitter": "^1.1.0",
+        "@protobufjs/fetch": "^1.1.0",
+        "@protobufjs/float": "^1.0.2",
+        "@protobufjs/inquire": "^1.1.0",
+        "@protobufjs/path": "^1.1.2",
+        "@protobufjs/pool": "^1.1.0",
+        "@protobufjs/utf8": "^1.1.0",
+        "@types/node": ">=13.7.0",
+        "long": "^5.0.0"
+      },
+      "engines": {
+        "node": ">=12.0.0"
+      }
+    },
+    "node_modules/query-selector-shadow-dom": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/query-selector-shadow-dom/-/query-selector-shadow-dom-1.0.1.tgz",
+      "integrity": "sha512-lT5yCqEBgfoMYpf3F2xQRK7zEr1rhIIZuceDK6+xRkJQ4NMbHTwXqk4NkwDwQMNqXgG9r9fyHnzwNVs6zV5KRw==",
+      "license": "MIT"
+    },
     "node_modules/react": {
       "version": "18.3.1",
       "resolved": "https://registry.npmjs.org/react/-/react-18.3.1.tgz",
@@ -2588,6 +3055,27 @@
         "semver": "bin/semver.js"
       }
     },
+    "node_modules/shebang-command": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/shebang-command/-/shebang-command-2.0.0.tgz",
+      "integrity": "sha512-kHxr2zZpYtdmrN1qDjrrX/Z1rR1kG8Dx+gkpK1G4eXmvXswmcE1hTWBWYUzlraYw1/yZp6YuDY77YtvbN0dmDA==",
+      "license": "MIT",
+      "dependencies": {
+        "shebang-regex": "^3.0.0"
+      },
+      "engines": {
+        "node": ">=8"
+      }
+    },
+    "node_modules/shebang-regex": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/shebang-regex/-/shebang-regex-3.0.0.tgz",
+      "integrity": "sha512-7++dFhtcx3353uBaq8DDR4NuxBetBzC7ZQOhmTQInHEd6bSrXdiEyzCvG07Z44UYdLShWUyXt5M/yhz8ekcb1A==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=8"
+      }
+    },
     "node_modules/source-map-js": {
       "version": "1.2.1",
       "resolved": "https://registry.npmjs.org/source-map-js/-/source-map-js-1.2.1.tgz",
@@ -2661,6 +3149,12 @@
         "node": ">=14.17"
       }
     },
+    "node_modules/undici-types": {
+      "version": "7.18.2",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-7.18.2.tgz",
+      "integrity": "sha512-AsuCzffGHJybSaRrmr5eHr81mwJU3kjw6M+uprWvCXiNeN9SOGwQ3Jn8jb8m3Z6izVgknn1R0FTCEAP2QrLY/w==",
+      "license": "MIT"
+    },
     "node_modules/update-browserslist-db": {
       "version": "1.2.3",
       "resolved": "https://registry.npmjs.org/update-browserslist-db/-/update-browserslist-db-1.2.3.tgz",
@@ -2766,6 +3260,27 @@
         }
       }
     },
+    "node_modules/web-vitals": {
+      "version": "5.1.0",
+      "resolved": "https://registry.npmjs.org/web-vitals/-/web-vitals-5.1.0.tgz",
+      "integrity": "sha512-ArI3kx5jI0atlTtmV0fWU3fjpLmq/nD3Zr1iFFlJLaqa5wLBkUSzINwBPySCX/8jRyjlmy1Volw1kz1g9XE4Jg==",
+      "license": "Apache-2.0"
+    },
+    "node_modules/which": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/which/-/which-2.0.2.tgz",
+      "integrity": "sha512-BLI3Tl1TW3Pvl70l3yq3Y64i+awpwXqsGBYWkkqMtnbXgrMD+yj7rhW0kuEDxzJaYXGjEW5ogapKNMEKNMjibA==",
+      "license": "ISC",
+      "dependencies": {
+        "isexe": "^2.0.0"
+      },
+      "bin": {
+        "node-which": "bin/node-which"
+      },
+      "engines": {
+        "node": ">= 8"
+      }
+    },
     "node_modules/yallist": {
       "version": "3.1.1",
       "resolved": "https://registry.npmjs.org/yallist/-/yallist-3.1.1.tgz",
diff --git a/windows/package.json b/windows/package.json
index 4c157202..14ba3a76 100644
--- a/windows/package.json
+++ b/windows/package.json
@@ -22,6 +22,7 @@
     "@xterm/addon-web-links": "^0.12.0",
     "@xterm/xterm": "^6.0.0",
     "fuse.js": "^7.1.0",
+    "posthog-js": "^1.360.0",
     "react": "^18.3.1",
     "react-dom": "^18.3.1",
     "tauri-pty": "^0.2.1",
diff --git a/windows/src/App.tsx b/windows/src/App.tsx
index 43f6456c..3896c0af 100644
--- a/windows/src/App.tsx
+++ b/windows/src/App.tsx
@@ -5,6 +5,7 @@ import NewTaskDialog from "./components/NewTaskDialog";
 import OnboardingWizard from "./components/OnboardingWizard";
 import SearchOverlay from "./components/SearchOverlay";
 import SettingsView from "./components/SettingsView";
+import { initAnalytics } from "./analytics";
 import { getSettings, initBoardEventListener, useBoardStore } from "./store/boardStore";
 import { useTheme, t } from "./theme";
 
@@ -71,6 +72,7 @@ export default function App() {
   }, [theme, toggle]);
 
   useEffect(() => {
+    initAnalytics();
     refresh();
     initBoardEventListener();
     getSettings()
diff --git a/windows/src/analytics.ts b/windows/src/analytics.ts
new file mode 100644
index 00000000..670f50bd
--- /dev/null
+++ b/windows/src/analytics.ts
@@ -0,0 +1,19 @@
+import posthog from "posthog-js";
+
+const POSTHOG_KEY = "phc_REPLACE_WITH_YOUR_KEY";
+const POSTHOG_HOST = "https://us.i.posthog.com";
+
+export function initAnalytics() {
+  posthog.init(POSTHOG_KEY, {
+    api_host: POSTHOG_HOST,
+    autocapture: false,
+    capture_pageview: false,
+    persistence: "localStorage",
+  });
+
+  posthog.capture("app_opened", { platform: "windows" });
+}
+
+export function capture(event: string, properties: Record<string, unknown> = {}) {
+  posthog.capture(event, { platform: "windows", ...properties });
+}
diff --git a/windows/src/components/OnboardingWizard.tsx b/windows/src/components/OnboardingWizard.tsx
index 571c32a5..f5d33463 100644
--- a/windows/src/components/OnboardingWizard.tsx
+++ b/windows/src/components/OnboardingWizard.tsx
@@ -1,5 +1,6 @@
 import { useEffect, useState } from "react";
 import { open } from "@tauri-apps/plugin-dialog";
+import { capture } from "../analytics";
 import {
   checkDependencies,
   getSettings,
@@ -36,10 +37,17 @@ export default function OnboardingWizard({
     }
   };
 
-  const next = () => setStep((s) => Math.min(s + 1, TOTAL_STEPS - 1));
+  const stepNames = ["welcome", "claude_code", "dependencies", "add_project", "complete"];
+
+  const next = () => {
+    const nextStep = Math.min(step + 1, TOTAL_STEPS - 1);
+    capture("onboarding_step", { step: stepNames[nextStep] });
+    setStep(nextStep);
+  };
   const back = () => setStep((s) => Math.max(s - 1, 0));
 
   const finish = async () => {
+    capture("onboarding_completed");
     if (settings) {
       await saveSettings({ ...settings, hasCompletedOnboarding: true });
     }
diff --git a/windows/src/store/boardStore.ts b/windows/src/store/boardStore.ts
index 8f8247c1..ca6cd533 100644
--- a/windows/src/store/boardStore.ts
+++ b/windows/src/store/boardStore.ts
@@ -1,6 +1,7 @@
 import { invoke } from "@tauri-apps/api/core";
 import { listen } from "@tauri-apps/api/event";
 import { create } from "zustand";
+import { capture } from "../analytics";
 import type {
   BoardStateDto,
   CardDto,
@@ -76,9 +77,13 @@ export const useBoardStore = create<BoardStore>((set, get) => ({
     }
   },
 
-  selectCard: (id) => set({ selectedCardId: id }),
+  selectCard: (id) => {
+    if (id) capture("card_selected");
+    set({ selectedCardId: id });
+  },
 
   moveCard: async (cardId, column) => {
+    capture("card_moved", { to_column: column });
     // Optimistic update
     set((state) => ({
       cards: state.cards.map((c) =>
@@ -100,6 +105,7 @@ export const useBoardStore = create<BoardStore>((set, get) => ({
   },
 
   deleteCard: async (cardId) => {
+    capture("card_deleted");
     set((state) => ({
       cards: state.cards.filter((c) => c.id !== cardId),
       selectedCardId: state.selectedCardId === cardId ? null : state.selectedCardId,
@@ -113,6 +119,7 @@ export const useBoardStore = create<BoardStore>((set, get) => ({
   },
 
   archiveCard: async (cardId) => {
+    capture("card_archived");
     set((state) => ({
       cards: state.cards.map((c) =>
         c.id === cardId
@@ -129,6 +136,7 @@ export const useBoardStore = create<BoardStore>((set, get) => ({
   },
 
   renameCard: async (cardId, name) => {
+    capture("card_renamed");
     set((state) => ({
       cards: state.cards.map((c) =>
         c.id === cardId ? { ...c, displayTitle: name, link: { ...c.link, name } } : c
@@ -142,6 +150,7 @@ export const useBoardStore = create<BoardStore>((set, get) => ({
   },
 
   createCard: async (prompt, title, project, launch = false) => {
+    capture("card_created", { launch });
     try {
       const link = await invoke<{ id: string }>("create_card", { prompt, title, project, launch });
       await get().refresh();
@@ -152,10 +161,22 @@ export const useBoardStore = create<BoardStore>((set, get) => ({
     }
   },
 
-  setSearchOpen: (open) => set({ searchOpen: open }),
-  setSettingsOpen: (open) => set({ settingsOpen: open }),
-  setNewTaskOpen: (open) => set({ newTaskOpen: open }),
-  setSelectedProject: (path) => set({ selectedProjectPath: path }),
+  setSearchOpen: (open) => {
+    if (open) capture("search_opened");
+    set({ searchOpen: open });
+  },
+  setSettingsOpen: (open) => {
+    if (open) capture("settings_opened");
+    set({ settingsOpen: open });
+  },
+  setNewTaskOpen: (open) => {
+    if (open) capture("new_task_opened");
+    set({ newTaskOpen: open });
+  },
+  setSelectedProject: (path) => {
+    capture("project_filtered", { has_filter: path != null });
+    set({ selectedProjectPath: path });
+  },
   clearError: () => set({ error: null }),
 
   cardsInColumn: (column) => {
@@ -230,6 +251,7 @@ export async function getTranscript(
 }
 
 export async function searchSessions(query: string): Promise<Session[]> {
+  capture("search_query", { query_length: query.length });
   return invoke<Session[]>("search_sessions", { query });
 }
 
@@ -249,6 +271,7 @@ export async function addQueuedPrompt(
   body: string,
   sendAutomatically: boolean
 ): Promise<QueuedPrompt> {
+  capture("queued_prompt_added", { send_automatically: sendAutomatically });
   return invoke<QueuedPrompt>("add_queued_prompt", { cardId, body, sendAutomatically });
 }
 
@@ -265,6 +288,7 @@ export async function removeQueuedPrompt(
   cardId: string,
   promptId: string
 ): Promise<void> {
+  capture("queued_prompt_removed");
   return invoke("remove_queued_prompt", { cardId, promptId });
 }