diff --git a/demos/blog-publishing/composer.json b/demos/blog-publishing/composer.json
index 3ed4a7c..4370b27 100644
--- a/demos/blog-publishing/composer.json
+++ b/demos/blog-publishing/composer.json
@@ -18,6 +18,6 @@
         "ray/di": "^2.18"
     },
     "require-dev": {
-        "phpunit/phpunit": "^10.0"
+        "phpunit/phpunit": "^12"
     }
 }
diff --git a/demos/contact-form/composer.json b/demos/contact-form/composer.json
index c36e9d3..7efb68d 100644
--- a/demos/contact-form/composer.json
+++ b/demos/contact-form/composer.json
@@ -18,6 +18,6 @@
         "ray/di": "^2.18"
     },
     "require-dev": {
-        "phpunit/phpunit": "^10.0"
+        "phpunit/phpunit": "^12"
     }
 }
diff --git a/demos/hello-world/composer.json b/demos/hello-world/composer.json
index 9771fe0..795c46a 100644
--- a/demos/hello-world/composer.json
+++ b/demos/hello-world/composer.json
@@ -18,6 +18,18 @@
         "ray/di": "^2.18"
     },
     "require-dev": {
-        "phpunit/phpunit": "^10.0"
+        "phpunit/phpunit": "^12"
+    },
+    "scripts": {
+        "dev": "php bin/be.php 'hello?name=World'",
+        "profile": "XDEBUG_MODE=trace php -d xdebug.use_compression=0 -d extension=xhprof.so bin/be.php 'hello?name=World'",
+        "stree": "vendor/bin/stree $(ls -t var/log/*.json | head -1)",
+        "stree:full": "vendor/bin/stree --full $(ls -t var/log/*.json | head -1)"
+    },
+    "scripts-descriptions": {
+        "dev": "Run the Hello World demo in dev mode; writes a semantic log to var/log/*.json without Xdebug/XHProf profiling.",
+        "profile": "Run the Hello World demo with semantic profiling; writes a semantic log to var/log/*.json with uncompressed Xdebug trace and xhprof enabled.",
+        "stree": "Render the latest var/log/*.json as a compact tree.",
+        "stree:full": "Render the latest var/log/*.json as a semantic full tree with full props and close.profile details."
     }
 }
diff --git a/demos/hello-world/stree-full.txt b/demos/hello-world/stree-full.txt
new file mode 100644
index 0000000..4548392
--- /dev/null
+++ b/demos/hello-world/stree-full.txt
@@ -0,0 +1,8 @@
+becoming HelloInput
+├── name: World
+├── being_final Hello input=[name] inject=[greeting]
+│   ├── inject.greeting: Be\Pattern\Hello\Reason\Greeting
+│   └── close
+│       └── greeting: Hello World
+└── close
+    └── exit: success
diff --git a/demos/hello-world/stree.txt b/demos/hello-world/stree.txt
new file mode 100644
index 0000000..da86138
--- /dev/null
+++ b/demos/hello-world/stree.txt
@@ -0,0 +1,4 @@
+becoming HelloInput
+├── being_final Hello input=[name] inject=[greeting]
+│   └── prop=[greeting]
+└── exit=success
diff --git a/demos/insurance-claim/composer.json b/demos/insurance-claim/composer.json
index c9458bd..4cdf0a8 100644
--- a/demos/insurance-claim/composer.json
+++ b/demos/insurance-claim/composer.json
@@ -17,6 +17,6 @@
         "ray/di": "^2.18"
     },
     "require-dev": {
-        "phpunit/phpunit": "^10.0"
+        "phpunit/phpunit": "^12"
     }
 }
diff --git a/demos/loan-application/composer.json b/demos/loan-application/composer.json
index 9690512..7e0c68c 100644
--- a/demos/loan-application/composer.json
+++ b/demos/loan-application/composer.json
@@ -17,6 +17,6 @@
         "ray/di": "^2.18"
     },
     "require-dev": {
-        "phpunit/phpunit": "^10.0"
+        "phpunit/phpunit": "^12"
     }
 }
diff --git a/demos/medical-triage/composer.json b/demos/medical-triage/composer.json
index 0112787..76028f6 100644
--- a/demos/medical-triage/composer.json
+++ b/demos/medical-triage/composer.json
@@ -17,6 +17,18 @@
         "ray/di": "^2.18"
     },
     "require-dev": {
-        "phpunit/phpunit": "^10.0"
+        "phpunit/phpunit": "^12"
+    },
+    "scripts": {
+        "dev": "php bin/be.php",
+        "profile": "XDEBUG_MODE=trace php -d xdebug.use_compression=0 -d extension=xhprof.so bin/be.php",
+        "stree": "vendor/bin/stree $(ls -t var/log/*.json | head -1)",
+        "stree:full": "vendor/bin/stree --full $(ls -t var/log/*.json | head -1)"
+    },
+    "scripts-descriptions": {
+        "dev": "Run the Medical Triage demo in dev mode; writes a semantic log to var/log/*.json without Xdebug/XHProf profiling.",
+        "profile": "Run the Medical Triage demo with semantic profiling; writes a semantic log to var/log/*.json with uncompressed Xdebug trace and xhprof enabled.",
+        "stree": "Render the latest var/log/*.json as a compact tree.",
+        "stree:full": "Render the latest var/log/*.json as a semantic full tree with full props and close.profile details."
     }
 }
diff --git a/demos/medical-triage/stree-full.txt b/demos/medical-triage/stree-full.txt
new file mode 100644
index 0000000..afb5ea3
--- /dev/null
+++ b/demos/medical-triage/stree-full.txt
@@ -0,0 +1,20 @@
+becoming PatientInput
+├── patientId: PT-10001
+├── chiefComplaint: severe chest pain
+├── consciousnessLevel: 0
+├── being TriageLevelDetermined input=[patientId, chiefComplaint +1 items] inject=[protocol]
+│   ├── inject.protocol: Be\Pattern\MedicalTriage\Reason\JTASProtocol
+│   └── close
+│       ├── being.triageCode: RED
+│       ├── patientId: PT-10001
+│       ├── chiefComplaint: severe chest pain
+│       └── consciousnessLevel: 0
+├── being_final EmergencyAdmitted input=[being, patientId]
+│   └── close
+│       ├── admissionId: ADM-20260422-9b8b8250
+│       ├── status: admitted
+│       ├── triageCode: RED
+│       ├── being.triageCode: RED
+│       └── patientId: PT-10001
+└── close
+    └── exit: success
diff --git a/demos/medical-triage/stree.txt b/demos/medical-triage/stree.txt
new file mode 100644
index 0000000..95e7d80
--- /dev/null
+++ b/demos/medical-triage/stree.txt
@@ -0,0 +1,6 @@
+becoming PatientInput
+├── being TriageLevelDetermined input=[patientId, chiefComplaint +1 items] inject=[protocol]
+│   └── being=TriageLevelDetermined prop=[being, patientId, chiefComplaint +1 items]
+├── being_final EmergencyAdmitted input=[being, patientId]
+│   └── prop=[admissionId, status, triageCode, being +1 items]
+└── exit=success
diff --git a/demos/order-processing/composer.json b/demos/order-processing/composer.json
index 77cb827..47fa0a9 100644
--- a/demos/order-processing/composer.json
+++ b/demos/order-processing/composer.json
@@ -17,6 +17,18 @@
         "ray/di": "^2.18"
     },
     "require-dev": {
-        "phpunit/phpunit": "^10.0"
+        "phpunit/phpunit": "^12"
+    },
+    "scripts": {
+        "dev": "php bin/be.php",
+        "profile": "XDEBUG_MODE=trace php -d xdebug.use_compression=0 -d extension=xhprof.so bin/be.php",
+        "stree": "vendor/bin/stree $(ls -t var/log/*.json | head -1)",
+        "stree:full": "vendor/bin/stree --full $(ls -t var/log/*.json | head -1)"
+    },
+    "scripts-descriptions": {
+        "dev": "Run the Order Processing demo in dev mode; writes a semantic log to var/log/*.json without Xdebug/XHProf profiling.",
+        "profile": "Run the Order Processing demo with semantic profiling; writes a semantic log to var/log/*.json with uncompressed Xdebug trace and xhprof enabled.",
+        "stree": "Render the latest var/log/*.json as a compact tree.",
+        "stree:full": "Render the latest var/log/*.json as a semantic full tree with full props and close.profile details."
     }
 }
diff --git a/demos/order-processing/stree-full.txt b/demos/order-processing/stree-full.txt
new file mode 100644
index 0000000..cd2e0f6
--- /dev/null
+++ b/demos/order-processing/stree-full.txt
@@ -0,0 +1,35 @@
+becoming OrderInput
+├── cartId: CART-001
+├── customerId: CUST-001
+├── cardNumber: 4111111111111111
+├── cardExpiry: 12/25
+├── cardCvv: 123
+├── postalCode: 150-0001
+├── streetAddress: 渋谷区神宮前1-1-1
+├── being_final OrderConfirmed inject=[inventory, payment, shipping, been]
+│   ├── inject.inventory: Be\Pattern\OrderProcessing\Moment\InventoryReserved
+│   ├── inject.payment: Be\Pattern\OrderProcessing\Moment\PaymentCompleted
+│   ├── inject.shipping: Be\Pattern\OrderProcessing\Moment\ShippingArranged
+│   ├── inject.been: Be\Framework\SemanticLog\Been
+│   ├── order_finalized orderId=ORD-20260422-67163ba8 status=confirmed [event]
+│   │   ├── orderId: ORD-20260422-67163ba8
+│   │   └── status: confirmed
+│   └── close
+│       ├── orderId: ORD-20260422-67163ba8
+│       ├── status: confirmed
+│       ├── inventory.reservation.reservationId: RSV-TOKYO-20260422032619-2893
+│       ├── inventory.productId: PROD-001
+│       ├── inventory.quantity: 1
+│       ├── inventory.warehouseId: WH-TOKYO-01
+│       ├── payment.capture.authorizationCode: AUTH-10000-4cb8d550
+│       ├── payment.capture.amount: 10000
+│       ├── payment.cardNumber: 4111111111111111
+│       ├── payment.amount: 10000
+│       ├── shipping.dispatch.trackingNumber: YAMATO-202604220326199860
+│       ├── shipping.dispatch.shippingRate: 800
+│       ├── shipping.carrierId: YAMATO
+│       ├── shipping.address: Tokyo, Japan
+│       ├── been[0].orderId: ORD-20260422-67163ba8
+│       └── been[0].status: confirmed
+└── close
+    └── exit: success
diff --git a/demos/order-processing/stree.txt b/demos/order-processing/stree.txt
new file mode 100644
index 0000000..4a9c96c
--- /dev/null
+++ b/demos/order-processing/stree.txt
@@ -0,0 +1,5 @@
+becoming OrderInput
+├── being_final OrderConfirmed inject=[inventory, payment, shipping, been]
+│   ├── order_finalized orderId=ORD-20260422-67163ba8 status=confirmed [event]
+│   └── prop=[orderId, status, inventory, payment +1 items] been=[1 items]
+└── exit=success
diff --git a/demos/user-registration/composer.json b/demos/user-registration/composer.json
index d513a54..0b77b6b 100644
--- a/demos/user-registration/composer.json
+++ b/demos/user-registration/composer.json
@@ -19,6 +19,18 @@
         "ray/di": "^2.18"
     },
     "require-dev": {
-        "phpunit/phpunit": "^10.0"
+        "phpunit/phpunit": "^12"
+    },
+    "scripts": {
+        "dev": "php bin/be.php",
+        "profile": "XDEBUG_MODE=trace php -d xdebug.use_compression=0 -d extension=xhprof.so bin/be.php",
+        "stree": "vendor/bin/stree $(ls -t var/log/*.json | head -1)",
+        "stree:full": "vendor/bin/stree --full $(ls -t var/log/*.json | head -1)"
+    },
+    "scripts-descriptions": {
+        "dev": "Run the User Registration demo in dev mode; writes a semantic log to var/log/*.json without Xdebug/XHProf profiling.",
+        "profile": "Run the User Registration demo with semantic profiling; writes a semantic log to var/log/*.json with uncompressed Xdebug trace and xhprof enabled.",
+        "stree": "Render the latest var/log/*.json as a compact tree.",
+        "stree:full": "Render the latest var/log/*.json as a semantic full tree with full props and close.profile details."
     }
 }
diff --git a/demos/user-registration/stree-full.txt b/demos/user-registration/stree-full.txt
new file mode 100644
index 0000000..fdcca1e
--- /dev/null
+++ b/demos/user-registration/stree-full.txt
@@ -0,0 +1,41 @@
+becoming RegistrationInput
+├── email: alice@example.com
+├── password: Str0ngP@ss
+├── displayName: Alice
+├── being EmailVerified input=[email, password, displayName] inject=[verifier]
+│   ├── inject.verifier: Be\Pattern\UserRegistration\Reason\EmailVerifier
+│   └── close
+│       ├── email: alice@example.com
+│       ├── password: Str0ngP@ss
+│       └── displayName: Alice
+├── being PasswordHashed input=[email, password, displayName] inject=[hasher]
+│   ├── inject.hasher: Be\Pattern\UserRegistration\Reason\PasswordHasher
+│   └── close
+│       ├── hashedPassword: $2y$12$6FqPq/JWd4QgJ9vGgUMtb.hHIz2bavynhdUGttlwJxSgK7GsWbYya
+│       ├── email: alice@example.com
+│       └── displayName: Alice
+├── being ProfileEnriched input=[email, displayName, hashedPassword] inject=[resolver]
+│   ├── inject.resolver: Be\Pattern\UserRegistration\Reason\GravatarResolver
+│   └── close
+│       ├── avatarUrl: https://www.gravatar.com/avatar/c160f8cc69a4f0bf2b0362752353d060
+│       ├── email: alice@example.com
+│       ├── displayName: Alice
+│       └── hashedPassword: $2y$12$6FqPq/JWd4QgJ9vGgUMtb.hHIz2bavynhdUGttlwJxSgK7GsWbYya
+├── being_final UserRegistered input=[email, displayName, hashedPassword +1 items] inject=[idGen, tokenGen, been]
+│   ├── inject.idGen: Be\Pattern\UserRegistration\Reason\UserIdGenerator
+│   ├── inject.tokenGen: Be\Pattern\UserRegistration\Reason\WelcomeTokenGenerator
+│   ├── inject.been: Be\Framework\SemanticLog\Been
+│   ├── user_created userId=USR-20260422-13e3e4ef35a36429 email=alice@example.com [event]
+│   │   ├── userId: USR-20260422-13e3e4ef35a36429
+│   │   └── email: alice@example.com
+│   └── close
+│       ├── userId: USR-20260422-13e3e4ef35a36429
+│       ├── welcomeToken: 0f1acca67431022f22ab5cb09ed9a341246eba5d5d24c520d1037919a8a41ef5
+│       ├── email: alice@example.com
+│       ├── displayName: Alice
+│       ├── hashedPassword: $2y$12$6FqPq/JWd4QgJ9vGgUMtb.hHIz2bavynhdUGttlwJxSgK7GsWbYya
+│       ├── avatarUrl: https://www.gravatar.com/avatar/c160f8cc69a4f0bf2b0362752353d060
+│       ├── been[0].userId: USR-20260422-13e3e4ef35a36429
+│       └── been[0].email: alice@example.com
+└── close
+    └── exit: success
diff --git a/demos/user-registration/stree.txt b/demos/user-registration/stree.txt
new file mode 100644
index 0000000..b81623a
--- /dev/null
+++ b/demos/user-registration/stree.txt
@@ -0,0 +1,11 @@
+becoming RegistrationInput
+├── being EmailVerified input=[email, password, displayName] inject=[verifier]
+│   └── being=EmailVerified prop=[email, password, displayName]
+├── being PasswordHashed input=[email, password, displayName] inject=[hasher]
+│   └── being=PasswordHashed prop=[hashedPassword, email, displayName]
+├── being ProfileEnriched input=[email, displayName, hashedPassword] inject=[resolver]
+│   └── being=ProfileEnriched prop=[avatarUrl, email, displayName +1 items]
+├── being_final UserRegistered input=[email, displayName, hashedPassword +1 items] inject=[idGen, tokenGen, been]
+│   ├── user_created userId=USR-20260422-13e3e4ef35a36429 email=alice@example.com [event]
+│   └── prop=[userId, welcomeToken, email, displayName +2 items] been=[1 items]
+└── exit=success