feat: add bootstrap and SMTP onboarding

docs/tests/integration/first-admin-bootstrap.md

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+# Test Evidence: Atomic first administrator bootstrap
+
+- **Test type:** Integration
+- **Requirement IDs:** `ACC-001–ACC-004, SEC-001–SEC-002, GOV-013`
+- **Scenario IDs:** `AC-ACC-001, AC-ACC-002, AC-SEC-001`
+- **Test class/method:** `com.lab.labtimesheet.BootstrapIntegrationTest`
+- **Implementation commit:** `this milestone commit`
+
+## Protected behavior
+
+Before initialization only bootstrap and health are reachable. Concurrent valid submissions create exactly one active Admin, atomically persist initialization, and permanently close bootstrap.
+
+## Test method
+
+A PostgreSQL 18.4 integration test releases two Java 25 virtual-thread-safe requests onto the same service concurrently and asserts the row-locked outcomes and database state. MockMvc checks pre/post-bootstrap route exposure.
+
+## Hand-derived expected result
+
+Two simultaneous submissions produce one `CREATED`, one `ALREADY_INITIALIZED`, one Admin row, and one initialized singleton. Later bootstrap requests cannot create another Admin.
+
+## RED
+
+**Command**
+
+```text
+export JAVA_HOME=/opt/homebrew/opt/openjdk@25
+export PATH="$JAVA_HOME/bin:/opt/homebrew/opt/node@24/bin:$PATH"
+export DOCKER_HOST=unix:///Users/sechmachine/.orbstack/run/docker.sock
+./mvnw -Dtest=BootstrapIntegrationTest,SmtpAccountIntegrationTest test
+```
+
+**Observed result**
+
+```text
+BootstrapIntegrationTest.java: cannot find symbol class BootstrapService
+17 compilation errors
+BUILD FAILURE
+```
+
+The public bootstrap behavior did not exist.
+
+## GREEN
+
+**Command**
+
+```text
+export JAVA_HOME=/opt/homebrew/opt/openjdk@25
+export PATH="$JAVA_HOME/bin:/opt/homebrew/opt/node@24/bin:$PATH"
+export DOCKER_HOST=unix:///Users/sechmachine/.orbstack/run/docker.sock
+./mvnw -Dtest=BootstrapIntegrationTest,SmtpAccountIntegrationTest test
+```
+
+**Observed result**
+
+```text
+Tests run: 3, Failures: 0, Errors: 0, Skipped: 0
+BUILD SUCCESS
+```
+
+## Affected suite
+
+**Command and result**
+
+```text
+./mvnw test
+Tests run: 7, Failures: 0, Errors: 0, Skipped: 0
+BUILD SUCCESS
+```
+
+The command used the Java 25 and OrbStack environment exports shown above.
+
+## External-test boundaries
+
+This test does not prove deployment-network privacy for the temporary bootstrap route. Operations must still bootstrap on a private interface before public exposure.

docs/tests/integration/smtp-onboarding.md

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+# Test Evidence: SMTP draft, test, and activation
+
+- **Test type:** Integration
+- **Requirement IDs:** `INT-001–INT-008, ACC-011, SEC-001`
+- **Scenario IDs:** `AC-INT-001, AC-INT-002, AC-ACC-004`
+- **Test class/method:** `com.lab.labtimesheet.SmtpIntegrationTest.failedSmtpTestNeverActivatesDraftAndSecretsRemainEncrypted`
+- **Implementation commit:** `this milestone commit`
+
+## Protected behavior
+
+SMTP credentials are AES-256-GCM encrypted, only a successfully tested draft can activate, and a failed test cannot alter the draft into an active configuration.
+
+## Test method
+
+The test persists a draft against PostgreSQL 18.4 using a deterministic test-only master key and a recording SMTP boundary. It forces send failure, inspects database state, rejects activation, then allows the probe and activates the tested draft.
+
+## Hand-derived expected result
+
+Ciphertext must not contain the submitted password. Failure leaves `status=DRAFT` and `tested_at=null`; activation fails. A successful test sets test provenance and permits exactly that draft to become `ACTIVE`.
+
+## RED
+
+**Command**
+
+```text
+export JAVA_HOME=/opt/homebrew/opt/openjdk@25
+export PATH="$JAVA_HOME/bin:/opt/homebrew/opt/node@24/bin:$PATH"
+export DOCKER_HOST=unix:///Users/sechmachine/.orbstack/run/docker.sock
+./mvnw -Dtest=BootstrapIntegrationTest,SmtpAccountIntegrationTest test
+```
+
+**Observed result**
+
+```text
+SmtpAccountIntegrationTest.java: cannot find symbol class SmtpConfigurationService
+SmtpAccountIntegrationTest.java: cannot find symbol class SmtpProbe
+17 compilation errors
+BUILD FAILURE
+```
+
+The SMTP revision and controllable delivery boundaries were absent.
+
+## GREEN
+
+**Command**
+
+```text
+export JAVA_HOME=/opt/homebrew/opt/openjdk@25
+export PATH="$JAVA_HOME/bin:/opt/homebrew/opt/node@24/bin:$PATH"
+export DOCKER_HOST=unix:///Users/sechmachine/.orbstack/run/docker.sock
+./mvnw -Dtest=BootstrapIntegrationTest,SmtpAccountIntegrationTest test
+```
+
+**Observed result**
+
+```text
+Tests run: 3, Failures: 0, Errors: 0, Skipped: 0
+BUILD SUCCESS
+```
+
+## Affected suite
+
+**Command and result**
+
+```text
+./mvnw test
+Tests run: 7, Failures: 0, Errors: 0, Skipped: 0
+BUILD SUCCESS
+```
+
+The command used the Java 25 and OrbStack environment exports shown above.
+
+## External-test boundaries
+
+The test intentionally does not contact Mailpit or an external SMTP server. The production adapter is compiled, while delivery semantics are exercised through the recording boundary without network or secret egress.