diff --git a/apps/server/src/pullRequest/AzureDevOpsPullRequestCli.ts b/apps/server/src/pullRequest/AzureDevOpsPullRequestCli.ts
index 85702bb1d061bb2170cd0af494ca21ea768857ea..91a39e8de3eca27817a941cd61a0d91620551716 100644
--- a/apps/server/src/pullRequest/AzureDevOpsPullRequestCli.ts
+++ b/apps/server/src/pullRequest/AzureDevOpsPullRequestCli.ts
@@ -261,6 +261,7 @@ function isReviewerName(value: string): boolean {
   return name.length > 0 && !name.startsWith("-");
 }
 
+/** @public Service construction is part of the canonical Effect module API. */
 export const make = Effect.gen(function* () {
   const azure = yield* AzureDevOpsCli.AzureDevOpsCli;
 
diff --git a/apps/server/src/pullRequest/BitbucketPullRequestApi.ts b/apps/server/src/pullRequest/BitbucketPullRequestApi.ts
index 9b8db662f7e0dd30df693aa1907f30172127c511..632f0d9a550fad4994552ce4820dfa899a247f9b 100644
--- a/apps/server/src/pullRequest/BitbucketPullRequestApi.ts
+++ b/apps/server/src/pullRequest/BitbucketPullRequestApi.ts
@@ -378,6 +378,7 @@ function bitbucketReviewPosition(
   }
 }
 
+/** @public Service construction is part of the canonical Effect module API. */
 export const make = Effect.gen(function* () {
   const bitbucket = yield* BitbucketApi.BitbucketApi;
 
diff --git a/apps/server/src/pullRequest/GitHubPullRequestCli.ts b/apps/server/src/pullRequest/GitHubPullRequestCli.ts
index 22989a94f04a0f0fe0418a23a5500484bdd0eb66..6152df75fb73a1a1d28a8323948fcbef1d3683a9 100644
--- a/apps/server/src/pullRequest/GitHubPullRequestCli.ts
+++ b/apps/server/src/pullRequest/GitHubPullRequestCli.ts
@@ -714,7 +714,7 @@ export class GitHubPullRequestCli extends Context.Service<
  * The host is not read off the identity: it travels alongside it, because the identity a
  * project records is the path below its host and never names the host itself.
  */
-export function parseRepositorySelector(value: string): {
+function parseRepositorySelector(value: string): {
   readonly owner: string;
   readonly name: string;
 } {
@@ -980,6 +980,7 @@ function actionArgs(
   }
 }
 
+/** @public Service construction is part of the canonical Effect module API. */
 export const make = Effect.gen(function* () {
   const github = yield* GitHubCli.GitHubCli;
   const graphQlBudget = yield* GitHubGraphQlBudget.GitHubGraphQlBudget;
diff --git a/apps/server/src/pullRequest/GitLabPullRequestCli.ts b/apps/server/src/pullRequest/GitLabPullRequestCli.ts
index a1510c4f0a3de71b5881d451790d1fb50e51eecd..60bf2c55742e8e71c2411adb4fa2d13b313695ed 100644
--- a/apps/server/src/pullRequest/GitLabPullRequestCli.ts
+++ b/apps/server/src/pullRequest/GitLabPullRequestCli.ts
@@ -511,6 +511,7 @@ function actionArgs(
   }
 }
 
+/** @public Service construction is part of the canonical Effect module API. */
 export const make = Effect.gen(function* () {
   const gitlab = yield* GitLabCli.GitLabCli;
 
diff --git a/apps/server/src/pullRequest/PullRequestProviderRegistry.ts b/apps/server/src/pullRequest/PullRequestProviderRegistry.ts
index d2caf3ff35bd692578863fd413ad760003a8a79e..f5b4251f7d9afc467ba9895f4913048eedf5ed0f 100644
--- a/apps/server/src/pullRequest/PullRequestProviderRegistry.ts
+++ b/apps/server/src/pullRequest/PullRequestProviderRegistry.ts
@@ -41,6 +41,8 @@ export function fromProviders(
 /**
  * The hosts this build can read change requests from. A host with no entry here still shows up
  * in the provider list as unimplemented, so its projects are explained rather than missing.
+ *
+ * @public Service construction is part of the canonical Effect module API.
  */
 export const make = Effect.map(
   Effect.all([
diff --git a/apps/server/src/sourceControl/AzureDevOpsCli.ts b/apps/server/src/sourceControl/AzureDevOpsCli.ts
index b0018c1fc4c17908a929e9a255708bfa5844d7cf..f5e436ef6c564386fbabb86ae1d4ac4a2e872207 100644
--- a/apps/server/src/sourceControl/AzureDevOpsCli.ts
+++ b/apps/server/src/sourceControl/AzureDevOpsCli.ts
@@ -203,8 +203,6 @@ export const AzureDevOpsCliError = Schema.Union([
 ]);
 export type AzureDevOpsCliError = typeof AzureDevOpsCliError.Type;
 
-export const isAzureDevOpsCliError = Schema.is(AzureDevOpsCliError);
-
 export interface AzureDevOpsRepositoryCloneUrls {
   readonly nameWithOwner: string;
   readonly url: string;
@@ -352,6 +350,7 @@ function decodeAzureDevOpsJson<S extends Schema.Top>(
   );
 }
 
+/** @public Service construction is part of the canonical Effect module API. */
 export const make = Effect.gen(function* () {
   const process = yield* VcsProcess.VcsProcess;
 
diff --git a/apps/server/src/sourceControl/AzureDevOpsSourceControlProvider.ts b/apps/server/src/sourceControl/AzureDevOpsSourceControlProvider.ts
index 20a74cc8a5d74ac179081f6bca6ec12214301b36..c2f6a5efc65ac7ef7977f5bea3b5fddd61195071 100644
--- a/apps/server/src/sourceControl/AzureDevOpsSourceControlProvider.ts
+++ b/apps/server/src/sourceControl/AzureDevOpsSourceControlProvider.ts
@@ -1,5 +1,4 @@
 import * as Effect from "effect/Effect";
-import * as Layer from "effect/Layer";
 import { SourceControlProviderError, type ChangeRequest } from "@t3tools/contracts";
 
 import * as AzureDevOpsCli from "./AzureDevOpsCli.ts";
@@ -235,5 +234,3 @@ export const make = Effect.gen(function* () {
         ),
   });
 });
-
-export const layer = Layer.effect(SourceControlProvider.SourceControlProvider, make);
diff --git a/apps/server/src/sourceControl/BitbucketApi.ts b/apps/server/src/sourceControl/BitbucketApi.ts
index b30e934f8ce696ae55d5ee2bedb4022c60a7bb56..1223f95f68fd5c3048bb8977c62ea6c0a1227b57 100644
--- a/apps/server/src/sourceControl/BitbucketApi.ts
+++ b/apps/server/src/sourceControl/BitbucketApi.ts
@@ -262,7 +262,7 @@ export const BitbucketApiError = Schema.Union([
   BitbucketCheckoutError,
 ]);
 export type BitbucketApiError = typeof BitbucketApiError.Type;
-export const isBitbucketApiError = Schema.is(BitbucketApiError);
+const isBitbucketApiError = Schema.is(BitbucketApiError);
 
 const RawBitbucketRepositorySchema = Schema.Struct({
   full_name: TrimmedNonEmptyString,
@@ -606,6 +606,7 @@ function responseError(
   });
 }
 
+/** @public Service construction is part of the canonical Effect module API. */
 export const make = Effect.gen(function* () {
   const config = yield* BitbucketApiEnvConfig;
   const httpClient = yield* HttpClient.HttpClient;
diff --git a/apps/server/src/sourceControl/BitbucketSourceControlProvider.ts b/apps/server/src/sourceControl/BitbucketSourceControlProvider.ts
index ffa3fb1301c93079f0642aedcc8218fe22de3281..e27aa4c7dc88d487c80d4f26657d1a8b6064abf9 100644
--- a/apps/server/src/sourceControl/BitbucketSourceControlProvider.ts
+++ b/apps/server/src/sourceControl/BitbucketSourceControlProvider.ts
@@ -1,5 +1,4 @@
 import * as Effect from "effect/Effect";
-import * as Layer from "effect/Layer";
 import * as Option from "effect/Option";
 import { SourceControlProviderError, type ChangeRequest } from "@t3tools/contracts";
 
@@ -186,8 +185,6 @@ export const make = Effect.gen(function* () {
   });
 });
 
-export const layer = Layer.effect(SourceControlProvider.SourceControlProvider, make);
-
 export const makeDiscovery = Effect.gen(function* () {
   const bitbucket = yield* BitbucketApi.BitbucketApi;
 
diff --git a/apps/server/src/sourceControl/GitHubCli.ts b/apps/server/src/sourceControl/GitHubCli.ts
index 57b9ee6e7a63d03e5b74c0307135713301b30518..cd8782c87d9e6d104ddcb575139d2fe3520139a9 100644
--- a/apps/server/src/sourceControl/GitHubCli.ts
+++ b/apps/server/src/sourceControl/GitHubCli.ts
@@ -338,6 +338,7 @@ function deriveRepositoryCloneUrlsFromCreateOutput(
   };
 }
 
+/** @public Service construction is part of the canonical Effect module API. */
 export const make = Effect.gen(function* () {
   const process = yield* VcsProcess.VcsProcess;
 
diff --git a/apps/server/src/sourceControl/GitHubSourceControlProvider.ts b/apps/server/src/sourceControl/GitHubSourceControlProvider.ts
index 74f08a9a912732ad3029e2f9652bbe3779a93c0c..d82832564a24796f01d2c93754036ee6f989c881 100644
--- a/apps/server/src/sourceControl/GitHubSourceControlProvider.ts
+++ b/apps/server/src/sourceControl/GitHubSourceControlProvider.ts
@@ -1,6 +1,5 @@
 import * as DateTime from "effect/DateTime";
 import * as Effect from "effect/Effect";
-import * as Layer from "effect/Layer";
 import * as Option from "effect/Option";
 import * as Result from "effect/Result";
 import {
@@ -322,5 +321,3 @@ export const make = Effect.gen(function* () {
       ),
   });
 });
-
-export const layer = Layer.effect(SourceControlProvider.SourceControlProvider, make);
diff --git a/apps/server/src/sourceControl/GitLabCli.ts b/apps/server/src/sourceControl/GitLabCli.ts
index 9c9b1d4bedd044829828a227724870e2b099d93a..9d03e1ab8aa5499a64bdd1d2ac3b150b185ff791 100644
--- a/apps/server/src/sourceControl/GitLabCli.ts
+++ b/apps/server/src/sourceControl/GitLabCli.ts
@@ -237,7 +237,6 @@ export const GitLabCliError = Schema.Union([
   GitLabNamespaceDecodeError,
 ]);
 export type GitLabCliError = typeof GitLabCliError.Type;
-export const isGitLabCliError = Schema.is(GitLabCliError);
 
 export interface GitLabMergeRequestSummary {
   readonly number: number;
@@ -409,6 +408,7 @@ function parseRepositoryPath(repository: string): {
   return { namespacePath, projectPath };
 }
 
+/** @public Service construction is part of the canonical Effect module API. */
 export const make = Effect.gen(function* () {
   const process = yield* VcsProcess.VcsProcess;
 
diff --git a/apps/server/src/sourceControl/GitLabSourceControlProvider.ts b/apps/server/src/sourceControl/GitLabSourceControlProvider.ts
index 28211c6b850955ef2ba47001349be48d1ebcfe2b..5eb9b326423fba95898ad902fa7f85f4a6cf0dd6 100644
--- a/apps/server/src/sourceControl/GitLabSourceControlProvider.ts
+++ b/apps/server/src/sourceControl/GitLabSourceControlProvider.ts
@@ -1,5 +1,4 @@
 import * as Effect from "effect/Effect";
-import * as Layer from "effect/Layer";
 import * as Option from "effect/Option";
 import { SourceControlProviderError, type ChangeRequest } from "@t3tools/contracts";
 
@@ -250,5 +249,3 @@ export const make = Effect.gen(function* () {
       ),
   });
 });
-
-export const layer = Layer.effect(SourceControlProvider.SourceControlProvider, make);
diff --git a/apps/server/src/sourceControl/SourceControlDiscovery.ts b/apps/server/src/sourceControl/SourceControlDiscovery.ts
index 660f32283e0fe9278f9369f354333b7e634a3f60..2628360780e140250a58b9f1f9e190e4a70a2fa7 100644
--- a/apps/server/src/sourceControl/SourceControlDiscovery.ts
+++ b/apps/server/src/sourceControl/SourceControlDiscovery.ts
@@ -64,6 +64,7 @@ export class SourceControlDiscovery extends Context.Service<
   }
 >()("t3/sourceControl/SourceControlDiscovery") {}
 
+/** @public Service construction is part of the canonical Effect module API. */
 export const make = Effect.gen(function* () {
   const config = yield* ServerConfig;
   const process = yield* VcsProcess.VcsProcess;
diff --git a/apps/server/src/sourceControl/SourceControlProvider.ts b/apps/server/src/sourceControl/SourceControlProvider.ts
index 5f93dbcaa425270e1629758e2101c365c2d5698e..1844e1bfa7cb6a19bf685f7b0d6468e3b552c7fb 100644
--- a/apps/server/src/sourceControl/SourceControlProvider.ts
+++ b/apps/server/src/sourceControl/SourceControlProvider.ts
@@ -61,7 +61,7 @@ export function parseSourceControlOwnerRef(
   return owner && refName ? { owner, refName } : undefined;
 }
 
-export function normalizeSourceBranch(headSelector: string): string {
+function normalizeSourceBranch(headSelector: string): string {
   return parseSourceControlOwnerRef(headSelector)?.refName ?? headSelector.trim();
 }
 
diff --git a/apps/server/src/sourceControl/SourceControlProviderDiscovery.ts b/apps/server/src/sourceControl/SourceControlProviderDiscovery.ts
index b2b9e4513378a5fe8533e7ccf3511924bd84c53a..69ac90edbfb369b8c4395c7c6a7df50aa5b2c077 100644
--- a/apps/server/src/sourceControl/SourceControlProviderDiscovery.ts
+++ b/apps/server/src/sourceControl/SourceControlProviderDiscovery.ts
@@ -115,7 +115,7 @@ export function providerAuth(input: {
   };
 }
 
-export function unknownAuth(detail?: string): SourceControlProviderAuth {
+function unknownAuth(detail?: string): SourceControlProviderAuth {
   return providerAuth({ status: "unknown", detail });
 }
 
diff --git a/apps/server/src/sourceControl/SourceControlRateLimit.ts b/apps/server/src/sourceControl/SourceControlRateLimit.ts
index e71516946e7c343322a840822ed09c3899cecdb2..b936c456079bcdaa1ced8b95ae7eef1ab8f7137d 100644
--- a/apps/server/src/sourceControl/SourceControlRateLimit.ts
+++ b/apps/server/src/sourceControl/SourceControlRateLimit.ts
@@ -82,6 +82,7 @@ export function retryAtFromHeader(value: string | undefined, now: number): numbe
   return Number.isFinite(retryAt) && retryAt > now ? retryAt : undefined;
 }
 
+/** @public Service construction is part of the canonical Effect module API. */
 export const make = Effect.gen(function* () {
   const entries = yield* Ref.make<ReadonlyMap<string, RateLimitEntry>>(new Map());
 
diff --git a/apps/server/src/sourceControl/SourceControlRepositoryService.ts b/apps/server/src/sourceControl/SourceControlRepositoryService.ts
index b38fe3d5c30258080d1b0654bd289ea9cd1515a4..0addeca9e7859f8bef0edae4cbc979414ce9fd70 100644
--- a/apps/server/src/sourceControl/SourceControlRepositoryService.ts
+++ b/apps/server/src/sourceControl/SourceControlRepositoryService.ts
@@ -77,6 +77,7 @@ function selectRemoteUrl(
   }
 }
 
+/** @public Service construction is part of the canonical Effect module API. */
 export const make = Effect.gen(function* () {
   const config = yield* ServerConfig;
   const fileSystem = yield* FileSystem.FileSystem;
diff --git a/apps/server/src/sourceControl/azureDevOpsPullRequests.ts b/apps/server/src/sourceControl/azureDevOpsPullRequests.ts
index 24c0e49fd8f4b4ede651c567d038f7622d082925..d11d1a87077a867881f964500ad7e1c14b678ce8 100644
--- a/apps/server/src/sourceControl/azureDevOpsPullRequests.ts
+++ b/apps/server/src/sourceControl/azureDevOpsPullRequests.ts
@@ -5,7 +5,7 @@ import * as Option from "effect/Option";
 import * as Result from "effect/Result";
 import * as Schema from "effect/Schema";
 import { PositiveInt, TrimmedNonEmptyString } from "@t3tools/contracts";
-import { decodeJsonResult, formatSchemaError } from "@t3tools/shared/schemaJson";
+import { decodeJsonResult } from "@t3tools/shared/schemaJson";
 
 export interface NormalizedAzureDevOpsPullRequestRecord {
   readonly number: number;
@@ -190,8 +190,6 @@ const decodeAzureDevOpsPullRequestList = decodeJsonResult(Schema.Array(Schema.Un
 const decodeAzureDevOpsPullRequest = decodeJsonResult(AzureDevOpsPullRequestSchema);
 const decodeAzureDevOpsPullRequestEntry = Schema.decodeUnknownExit(AzureDevOpsPullRequestSchema);
 
-export const formatAzureDevOpsJsonDecodeError = formatSchemaError;
-
 export function decodeAzureDevOpsPullRequestListJson(
   raw: string,
 ): Result.Result<
diff --git a/apps/server/src/sourceControl/gitHubPullRequests.ts b/apps/server/src/sourceControl/gitHubPullRequests.ts
index 822de1e02797594a62fe52426087afe2598e2e33..b233d900adf1175f25d107ce504b7c99220ddc48 100644
--- a/apps/server/src/sourceControl/gitHubPullRequests.ts
+++ b/apps/server/src/sourceControl/gitHubPullRequests.ts
@@ -5,7 +5,7 @@ import * as Option from "effect/Option";
 import * as Result from "effect/Result";
 import * as Schema from "effect/Schema";
 import { PositiveInt, TrimmedNonEmptyString } from "@t3tools/contracts";
-import { decodeJsonResult, formatSchemaError } from "@t3tools/shared/schemaJson";
+import { decodeJsonResult } from "@t3tools/shared/schemaJson";
 
 export interface NormalizedGitHubPullRequestRecord {
   readonly number: number;
@@ -114,8 +114,6 @@ const decodeGitHubPullRequestList = decodeJsonResult(Schema.Array(Schema.Unknown
 const decodeGitHubPullRequest = decodeJsonResult(GitHubPullRequestSchema);
 const decodeGitHubPullRequestEntry = Schema.decodeUnknownExit(GitHubPullRequestSchema);
 
-export const formatGitHubJsonDecodeError = formatSchemaError;
-
 export function decodeGitHubPullRequestListJson(
   raw: string,
 ): Result.Result<
diff --git a/apps/server/src/sourceControl/gitLabMergeRequests.ts b/apps/server/src/sourceControl/gitLabMergeRequests.ts
index 0525260df51b2c4ac59ba0202133fcdaf90b94bc..d03d43411224af8ec3d24b9bda88454377e57524 100644
--- a/apps/server/src/sourceControl/gitLabMergeRequests.ts
+++ b/apps/server/src/sourceControl/gitLabMergeRequests.ts
@@ -5,7 +5,7 @@ import * as Option from "effect/Option";
 import * as Result from "effect/Result";
 import * as Schema from "effect/Schema";
 import { PositiveInt, TrimmedNonEmptyString } from "@t3tools/contracts";
-import { decodeJsonResult, formatSchemaError } from "@t3tools/shared/schemaJson";
+import { decodeJsonResult } from "@t3tools/shared/schemaJson";
 
 export interface NormalizedGitLabMergeRequestRecord {
   readonly number: number;
@@ -129,8 +129,6 @@ const decodeGitLabMergeRequestList = decodeJsonResult(Schema.Array(Schema.Unknow
 const decodeGitLabMergeRequest = decodeJsonResult(GitLabMergeRequestSchema);
 const decodeGitLabMergeRequestEntry = Schema.decodeUnknownExit(GitLabMergeRequestSchema);
 
-export const formatGitLabJsonDecodeError = formatSchemaError;
-
 export function decodeGitLabMergeRequestListJson(
   raw: string,
 ): Result.Result<
diff --git a/apps/server/src/sourceControl/githubGraphQlBudget.ts b/apps/server/src/sourceControl/githubGraphQlBudget.ts
index 9ece27547f5e9a00ad5e130430dfae2919a71d54..05e4b3a5ce2476323b1d16f0b00cf7aaaf36cb45 100644
--- a/apps/server/src/sourceControl/githubGraphQlBudget.ts
+++ b/apps/server/src/sourceControl/githubGraphQlBudget.ts
@@ -77,6 +77,7 @@ function withRateLimit(document: string): string {
   return `${document.slice(0, end)}\n  ${RATE_LIMIT_SELECTION}\n${document.slice(end)}`;
 }
 
+/** @public Service construction is part of the canonical Effect module API. */
 export const make = Effect.gen(function* () {
   const snapshots = yield* Ref.make<ReadonlyMap<string, GraphQlBudgetSnapshot>>(new Map());