diff --git a/src/sqlbuild/adapter/discovery/main/session_warehouse_support.py b/src/sqlbuild/adapter/discovery/main/session_warehouse_support.py
index 44465ae76c..7590060210 100644
--- a/src/sqlbuild/adapter/discovery/main/session_warehouse_support.py
+++ b/src/sqlbuild/adapter/discovery/main/session_warehouse_support.py
@@ -4,12 +4,12 @@
 
 from pathlib import Path
 
-from sqlbuild.adapter.discovery.main.resolve_adapter import resolve_adapter
-
 
 def adapter_supports_session_warehouse(*, adapter_name: str, project_dir: Path | None) -> bool:
     """Return whether the adapter, resolved like any project adapter, has a session warehouse."""
 
+    from sqlbuild.adapter.discovery.main.resolve_adapter import resolve_adapter
+
     return resolve_adapter(
         adapter_name=adapter_name, project_dir=project_dir
     ).supports_session_warehouse
diff --git a/src/sqlbuild/cli/commands/_helpers/compile/pipeline.py b/src/sqlbuild/cli/commands/_helpers/compile/pipeline.py
index ae4817b5db..6b76577da5 100644
--- a/src/sqlbuild/cli/commands/_helpers/compile/pipeline.py
+++ b/src/sqlbuild/cli/commands/_helpers/compile/pipeline.py
@@ -26,9 +26,9 @@
 from sqlbuild.cli.commands.types import CompileLineageMode
 from sqlbuild.cli.compile.models import (
     CompileAnalysis,
-    CompileProfileFlags,
     CompileWriteResult,
 )
+from sqlbuild.cli.entry.models import CompileProfileFlags
 from sqlbuild.cli.output.models import (
     WrittenTarget,
 )
diff --git a/src/sqlbuild/cli/commands/_helpers/debug/checks.py b/src/sqlbuild/cli/commands/_helpers/debug/checks.py
index 36e6e294d0..85cade7924 100644
--- a/src/sqlbuild/cli/commands/_helpers/debug/checks.py
+++ b/src/sqlbuild/cli/commands/_helpers/debug/checks.py
@@ -12,10 +12,12 @@
 from sqlbuild.cli.commands._helpers.runtime.connection import (
     resolve_project_connection_config,
 )
-from sqlbuild.cli.commands._helpers.runtime.warehouses import (
-    apply_command_warehouse,
+from sqlbuild.cli.commands._helpers.runtime.warehouse_scope import (
     command_warehouse_scope,
     current_command_warehouse_scope,
+)
+from sqlbuild.cli.commands._helpers.runtime.warehouses import (
+    apply_command_warehouse,
     find_target_group_warehouse,
     resolve_command_warehouse,
 )
diff --git a/src/sqlbuild/cli/commands/_helpers/entry/dispatch.py b/src/sqlbuild/cli/commands/_helpers/entry/dispatch.py
index 2ac93f75b8..f5de4c5148 100644
--- a/src/sqlbuild/cli/commands/_helpers/entry/dispatch.py
+++ b/src/sqlbuild/cli/commands/_helpers/entry/dispatch.py
@@ -7,10 +7,7 @@
 from sqlbuild.cli.commands._helpers.diff.validation import parse_diff_name_range
 from sqlbuild.cli.commands._helpers.entry.parsing import read_selector_file_inputs
 from sqlbuild.cli.commands._helpers.lint.positional_paths import format_path_selectors
-from sqlbuild.cli.commands._helpers.runtime.warehouses import (
-    command_warehouse_scope,
-    validate_cli_warehouse,
-)
+from sqlbuild.cli.commands._helpers.runtime.warehouse_scope import command_warehouse_scope
 from sqlbuild.cli.commands.classes.cli_namespace import CliNamespace
 from sqlbuild.cli.commands.constants import (
     DBT_INIT_COMMAND,
@@ -22,12 +19,10 @@
 )
 from sqlbuild.cli.commands.exceptions import CliUserError
 from sqlbuild.cli.commands.types import CliCommand, CompileLineageMode
-from sqlbuild.cli.compile.models import (
-    CompileCommandRequest,
-    CompileProfileFlags,
-)
 from sqlbuild.cli.entry.models import (
     CliEntrypointHandlers,
+    CompileCommandRequest,
+    CompileProfileFlags,
     SelectorInputs,
 )
 from sqlbuild.compiler.lineage.types import ColumnLineageMode
@@ -37,10 +32,15 @@
 def dispatch_cli_command(*, args: CliNamespace, handlers: CliEntrypointHandlers) -> int:
     """Route a parsed CLI namespace to its command handler and return its exit code."""
 
-    validate_cli_warehouse(
-        cli_warehouse=args.warehouse,
-        project_dir=Path.cwd() if args.project_dir is None else Path(args.project_dir).resolve(),
-    )
+    if args.warehouse is not None:
+        from sqlbuild.cli.commands._helpers.runtime.warehouses import validate_cli_warehouse
+
+        validate_cli_warehouse(
+            cli_warehouse=args.warehouse,
+            project_dir=(
+                Path.cwd() if args.project_dir is None else Path(args.project_dir).resolve()
+            ),
+        )
     with command_warehouse_scope(
         command=args.command, cli_warehouse=args.warehouse, cli_vars=args.vars
     ):
diff --git a/src/sqlbuild/cli/commands/_helpers/refactor/compile_facts.py b/src/sqlbuild/cli/commands/_helpers/refactor/compile_facts.py
index 5bc0c1e0a1..6c66786e36 100644
--- a/src/sqlbuild/cli/commands/_helpers/refactor/compile_facts.py
+++ b/src/sqlbuild/cli/commands/_helpers/refactor/compile_facts.py
@@ -10,7 +10,8 @@
 )
 from sqlbuild.cli.commands.models import RefactorCompile
 from sqlbuild.cli.commands.types import CompileLineageMode
-from sqlbuild.cli.compile.models import CompileAnalysis, CompileProfileFlags
+from sqlbuild.cli.compile.models import CompileAnalysis
+from sqlbuild.cli.entry.models import CompileProfileFlags
 from sqlbuild.compiler.compile.exceptions import CompileInputError
 from sqlbuild.compiler.compile.models import CompileAnalysisSelection, CompilerDiagnostic
 from sqlbuild.compiler.compile.types import DiagnosticPhase, DiagnosticSeverity
diff --git a/src/sqlbuild/cli/commands/_helpers/runtime/warehouse_scope.py b/src/sqlbuild/cli/commands/_helpers/runtime/warehouse_scope.py
new file mode 100644
index 0000000000..a068f97c5f
--- /dev/null
+++ b/src/sqlbuild/cli/commands/_helpers/runtime/warehouse_scope.py
@@ -0,0 +1,43 @@
+"""Active command warehouse scope for CLI warehouse connections."""
+
+from __future__ import annotations
+
+from collections.abc import Iterator
+from contextlib import contextmanager
+from contextvars import ContextVar, Token
+
+from sqlbuild.cli.commands.constants import COMMAND_WAREHOUSE_GROUPS
+from sqlbuild.cli.commands.types import CliCommand
+from sqlbuild.cli.entry.models import CommandWarehouseScope
+
+_CURRENT_SCOPE: ContextVar[CommandWarehouseScope | None] = ContextVar(
+    "sqlbuild_command_warehouse_scope", default=None
+)
+
+
+@contextmanager
+def command_warehouse_scope(
+    *,
+    command: CliCommand | str | None,
+    cli_warehouse: str | None,
+    cli_vars: dict[str, object] | None = None,
+) -> Iterator[CommandWarehouseScope]:
+    """Install the warehouse group, CLI override, and CLI vars for one command invocation."""
+
+    scope: CommandWarehouseScope = CommandWarehouseScope(
+        group=None if command is None else COMMAND_WAREHOUSE_GROUPS.get(CliCommand(command)),
+        cli_warehouse=cli_warehouse,
+        cli_vars={} if cli_vars is None else dict(cli_vars),
+    )
+    token: Token[CommandWarehouseScope | None] = _CURRENT_SCOPE.set(scope)
+    try:
+        yield scope
+    finally:
+        _CURRENT_SCOPE.reset(token)
+
+
+def current_command_warehouse_scope() -> CommandWarehouseScope:
+    """Return the active command's warehouse scope, or an empty one outside the CLI."""
+
+    scope: CommandWarehouseScope | None = _CURRENT_SCOPE.get()
+    return scope if scope is not None else CommandWarehouseScope(group=None)
diff --git a/src/sqlbuild/cli/commands/_helpers/runtime/warehouses.py b/src/sqlbuild/cli/commands/_helpers/runtime/warehouses.py
index f2d21c241c..cca799a06b 100644
--- a/src/sqlbuild/cli/commands/_helpers/runtime/warehouses.py
+++ b/src/sqlbuild/cli/commands/_helpers/runtime/warehouses.py
@@ -3,22 +3,20 @@
 from __future__ import annotations
 
 import re
-from collections.abc import Iterator
-from contextlib import contextmanager
-from contextvars import ContextVar, Token
 from pathlib import Path
 
 from sqlbuild.adapter.discovery.main.session_warehouse_support import (
     adapter_supports_session_warehouse,
 )
+from sqlbuild.cli.commands._helpers.runtime.warehouse_scope import (
+    current_command_warehouse_scope,
+)
 from sqlbuild.cli.commands.constants import (
     CLI_WAREHOUSE_SOURCE,
-    COMMAND_WAREHOUSE_GROUPS,
     CONNECTION_DEFAULT_WAREHOUSE_SOURCE,
     CONNECTION_WAREHOUSE_SOURCE,
 )
 from sqlbuild.cli.commands.exceptions import CliUserError
-from sqlbuild.cli.commands.types import CliCommand
 from sqlbuild.cli.entry.models import (
     AuthoredTargetWarehouse,
     CommandWarehouseScope,
@@ -47,37 +45,6 @@
 _CONNECTION_SOURCES: frozenset[str] = frozenset(
     {CONNECTION_WAREHOUSE_SOURCE, CONNECTION_DEFAULT_WAREHOUSE_SOURCE}
 )
-_CURRENT_SCOPE: ContextVar[CommandWarehouseScope | None] = ContextVar(
-    "sqlbuild_command_warehouse_scope", default=None
-)
-
-
-@contextmanager
-def command_warehouse_scope(
-    *,
-    command: CliCommand | str | None,
-    cli_warehouse: str | None,
-    cli_vars: dict[str, object] | None = None,
-) -> Iterator[CommandWarehouseScope]:
-    """Install the warehouse group, CLI override, and CLI vars for one command invocation."""
-
-    scope: CommandWarehouseScope = CommandWarehouseScope(
-        group=None if command is None else COMMAND_WAREHOUSE_GROUPS.get(CliCommand(command)),
-        cli_warehouse=cli_warehouse,
-        cli_vars={} if cli_vars is None else dict(cli_vars),
-    )
-    token: Token[CommandWarehouseScope | None] = _CURRENT_SCOPE.set(scope)
-    try:
-        yield scope
-    finally:
-        _CURRENT_SCOPE.reset(token)
-
-
-def current_command_warehouse_scope() -> CommandWarehouseScope:
-    """Return the active command's warehouse scope, or an empty one outside the CLI."""
-
-    scope: CommandWarehouseScope | None = _CURRENT_SCOPE.get()
-    return scope if scope is not None else CommandWarehouseScope(group=None)
 
 
 def validate_cli_warehouse(*, cli_warehouse: str | None, project_dir: Path) -> None:
diff --git a/src/sqlbuild/cli/commands/main/entrypoint/entry.py b/src/sqlbuild/cli/commands/main/entrypoint/entry.py
index fc82c37aef..f294f909a1 100644
--- a/src/sqlbuild/cli/commands/main/entrypoint/entry.py
+++ b/src/sqlbuild/cli/commands/main/entrypoint/entry.py
@@ -5,15 +5,11 @@
 import argparse
 from collections.abc import Mapping, Sequence
 
-from sqlbuild.cli.commands._helpers.entry.dispatch_errors import dispatch_and_handle_errors
 from sqlbuild.cli.commands._helpers.entry.errors import cli_error_use_color
 from sqlbuild.cli.commands._helpers.entry.lazy_handlers import build_lazy_cli_handlers
 from sqlbuild.cli.commands._helpers.entry.parser import build_cli_parser
 from sqlbuild.cli.commands._helpers.entry.parsing import parse_cli_invocation
 from sqlbuild.cli.commands.classes.cli_namespace import CliNamespace
-from sqlbuild.cli.commands.main.entrypoint._dispatch_with_compute_logs import (
-    dispatch_with_compute_logs,
-)
 from sqlbuild.cli.entry.models import (
     CliEntrypointHandlers,
     ParsedCliInvocation,
@@ -58,6 +54,13 @@ def _main_with_dependencies(
             if invocation.args is None:
                 return invocation.exit_code if invocation.exit_code is not None else 1
             args: CliNamespace = invocation.args
+            from sqlbuild.cli.commands._helpers.entry.dispatch_errors import (
+                dispatch_and_handle_errors,
+            )
+            from sqlbuild.cli.commands.main.entrypoint._dispatch_with_compute_logs import (
+                dispatch_with_compute_logs,
+            )
+
             return dispatch_with_compute_logs(
                 args=args,
                 identity=identity,
diff --git a/src/sqlbuild/cli/commands/main/project/_compile.py b/src/sqlbuild/cli/commands/main/project/_compile.py
index 39c537022e..635188cb63 100644
--- a/src/sqlbuild/cli/commands/main/project/_compile.py
+++ b/src/sqlbuild/cli/commands/main/project/_compile.py
@@ -25,9 +25,9 @@
 from sqlbuild.cli.commands.types import CompileLineageMode
 from sqlbuild.cli.compile.models import (
     CompileAnalysis,
-    CompileCommandRequest,
     CompileWriteResult,
 )
+from sqlbuild.cli.entry.models import CompileCommandRequest
 from sqlbuild.compiler.compile.models import CompileAnalysisSelection, CompilerDiagnostic
 from sqlbuild.compiler.compile.types import DiagnosticPhase
 from sqlbuild.compiler.profiling.main.collect import collect_compile_timings
diff --git a/src/sqlbuild/cli/commands/models.py b/src/sqlbuild/cli/commands/models.py
index 906928cc66..c42b6dbd76 100644
--- a/src/sqlbuild/cli/commands/models.py
+++ b/src/sqlbuild/cli/commands/models.py
@@ -20,14 +20,14 @@
 )
 from sqlbuild.cli.compile.models import (  # noqa: F401
     CompileAnalysis,
-    CompileCommandRequest,
-    CompileProfileFlags,
     CompileWriteResult,
     SqlTestArtifactCacheRecord,
     SqlTestArtifactIdentityContext,
 )
 from sqlbuild.cli.entry.models import (  # noqa: F401
     CliEntrypointHandlers,
+    CompileCommandRequest,
+    CompileProfileFlags,
     ParsedCliInvocation,
     SelectorFileSummary,
     SelectorInputs,
diff --git a/src/sqlbuild/cli/compile/main/run.py b/src/sqlbuild/cli/compile/main/run.py
index 8aa083e950..52db97c08c 100644
--- a/src/sqlbuild/cli/compile/main/run.py
+++ b/src/sqlbuild/cli/compile/main/run.py
@@ -1,7 +1,7 @@
 """Public compile command entrypoint."""
 
 from sqlbuild.cli.commands.main.project._compile import run_compile as _run_compile
-from sqlbuild.cli.compile.models import CompileCommandRequest
+from sqlbuild.cli.entry.models import CompileCommandRequest
 
 
 def run_compile(request: CompileCommandRequest) -> int:
diff --git a/src/sqlbuild/cli/compile/models.py b/src/sqlbuild/cli/compile/models.py
index ffdf732c95..1bb0b44405 100644
--- a/src/sqlbuild/cli/compile/models.py
+++ b/src/sqlbuild/cli/compile/models.py
@@ -6,7 +6,6 @@
 from pathlib import Path
 
 from sqlbuild.adapter.contract.classes.base_adapter import BaseAdapter
-from sqlbuild.cli.commands.types import CompileLineageMode
 from sqlbuild.cli.output.models import WrittenTarget
 from sqlbuild.compiler.compile.models import (
     CompiledObjectKey,
@@ -19,36 +18,6 @@
 from sqlbuild.compiler.planner.models import NativeSqlTestArtifact
 
 
-@dataclass(frozen=True)
-class CompileProfileFlags:
-    """Profiling toggles that skip compile phases for benchmarking."""
-
-    skip_discovery_sql_analysis: bool = False
-    skip_column_inference: bool = False
-    skip_contracts: bool = False
-    skip_write: bool = False
-
-
-@dataclass(frozen=True)
-class CompileCommandRequest:
-    """CLI inputs for one `sqb compile` invocation."""
-
-    project_dir: Path | None = None
-    no_sql_validation: bool = False
-    defer_to: str | None = None
-    selected_target: str | None = None
-    json_output: bool = False
-    manifest: bool = False
-    dag_path: str | None = None
-    no_color: bool = False
-    lineage_mode: CompileLineageMode = CompileLineageMode.FAST
-    select: tuple[str, ...] = ()
-    exclude: tuple[str, ...] = ()
-    cli_vars: dict[str, object] | None = None
-    profile_flags: CompileProfileFlags = CompileProfileFlags()
-    no_cache: bool = False
-
-
 @dataclass(frozen=True)
 class CompileAnalysis:
     """Compiled project analysis shared by compile output phases."""
diff --git a/src/sqlbuild/cli/entry/models.py b/src/sqlbuild/cli/entry/models.py
index dbd83d921d..90ff1071a4 100644
--- a/src/sqlbuild/cli/entry/models.py
+++ b/src/sqlbuild/cli/entry/models.py
@@ -8,6 +8,7 @@
 
 from sqlbuild.cli.commands.classes.cli_namespace import CliNamespace
 from sqlbuild.cli.commands.types import (
+    CompileLineageMode,
     DagCommandHandler,
     DebugCommandHandler,
     FormatCommandHandler,
@@ -16,10 +17,39 @@
     ScopeCommandHandler,
     SkillsUpdateCommandHandler,
 )
-from sqlbuild.cli.compile.models import CompileCommandRequest
 from sqlbuild.spec.contracts.types import WarehouseGroup
 
 
+@dataclass(frozen=True)
+class CompileProfileFlags:
+    """Profiling toggles that skip compile phases for benchmarking."""
+
+    skip_discovery_sql_analysis: bool = False
+    skip_column_inference: bool = False
+    skip_contracts: bool = False
+    skip_write: bool = False
+
+
+@dataclass(frozen=True)
+class CompileCommandRequest:
+    """CLI inputs for one `sqb compile` invocation."""
+
+    project_dir: Path | None = None
+    no_sql_validation: bool = False
+    defer_to: str | None = None
+    selected_target: str | None = None
+    json_output: bool = False
+    manifest: bool = False
+    dag_path: str | None = None
+    no_color: bool = False
+    lineage_mode: CompileLineageMode = CompileLineageMode.FAST
+    select: tuple[str, ...] = ()
+    exclude: tuple[str, ...] = ()
+    cli_vars: dict[str, object] | None = None
+    profile_flags: CompileProfileFlags = CompileProfileFlags()
+    no_cache: bool = False
+
+
 @dataclass(frozen=True)
 class SelectorFileSummary:
     """Non-expanded provenance for one selector file."""
diff --git a/src/sqlbuild/cli/output/models.py b/src/sqlbuild/cli/output/models.py
index 2c207f0727..c3f4f83752 100644
--- a/src/sqlbuild/cli/output/models.py
+++ b/src/sqlbuild/cli/output/models.py
@@ -51,14 +51,14 @@
     CursorBoundsOwner,
     CursorResolutionStatus,
     IntegrationOutputKind,
+    PlannedCursorBounds,
+    WrittenTargetDiagnostic,
 )
 from sqlbuild.compiler.auditing.types import (
     AuditEvaluationMode,
     AuditSeverity,
     ThresholdOperator,
 )
-from sqlbuild.compiler.compile.models import CompilerDiagnostic
-from sqlbuild.compiler.planner.models import CursorBounds
 from sqlbuild.runtime.observability.constants import (
     RESOURCE_ATTEMPT_SKIPPED_EVENT,
     RESOURCE_SKIP_CODES,
@@ -85,7 +85,7 @@ class CursorPlanDetails:
     requested_end: str | None
     bounds_owner: CursorBoundsOwner
     resolution_status: CursorResolutionStatus
-    resolved_bounds: CursorBounds | None
+    resolved_bounds: PlannedCursorBounds | None
     declared_grain: str | None
     effective_grain: str | None
     declared_batch_size: str | None
@@ -577,7 +577,7 @@ class WrittenTarget:
     audit_count: int
     test_count: int
     target_dir: Path
-    diagnostics: tuple[CompilerDiagnostic, ...] = field(default_factory=tuple)
+    diagnostics: tuple[WrittenTargetDiagnostic, ...] = field(default_factory=tuple)
 
 
 @dataclass(frozen=True)
diff --git a/src/sqlbuild/cli/output/types.py b/src/sqlbuild/cli/output/types.py
index 5c84d3c6bd..3a8ca3333f 100644
--- a/src/sqlbuild/cli/output/types.py
+++ b/src/sqlbuild/cli/output/types.py
@@ -1,6 +1,15 @@
 """Type-layer declarations for CLI output."""
 
 from enum import StrEnum
+from typing import TYPE_CHECKING
+
+if TYPE_CHECKING:
+    from sqlbuild.compiler.compile.models import CompilerDiagnostic
+    from sqlbuild.compiler.planner.models import CursorBounds
+
+type WrittenTargetDiagnostic = CompilerDiagnostic
+
+type PlannedCursorBounds = CursorBounds
 
 
 class CursorBoundsOwner(StrEnum):
diff --git a/src/sqlbuild/compiler/discovery/_helpers/filesystem/core.py b/src/sqlbuild/compiler/discovery/_helpers/filesystem/core.py
index 30f325738c..8197740900 100644
--- a/src/sqlbuild/compiler/discovery/_helpers/filesystem/core.py
+++ b/src/sqlbuild/compiler/discovery/_helpers/filesystem/core.py
@@ -11,9 +11,7 @@
 from importlib.machinery import ModuleSpec
 from pathlib import Path
 from types import ModuleType
-from typing import cast, get_type_hints
-
-from pydantic import ValidationError
+from typing import TYPE_CHECKING, cast, get_type_hints
 
 from sqlbuild.compiler.discovery._helpers.filesystem.cached_files import (
     parse_source_file_with_cache,
@@ -109,7 +107,6 @@
     SCOPED_DECLARATION_DIRECTORIES,
 )
 from sqlbuild.compiler.scopes.types import DeclarationKind, ScopeKind
-from sqlbuild.provider.classes.provider import Provider
 from sqlbuild.provider.exceptions import ProviderInputError
 from sqlbuild.python_nodes.main.read_asset_definition import read_asset_definition
 from sqlbuild.python_nodes.main.read_audit_factory_definition import (
@@ -138,6 +135,11 @@
 from sqlbuild.runtime.observability.models import LifecycleEvent
 from sqlbuild.spec.contracts.models import SchemaModelEntry, SchemaSeedEntry
 
+if TYPE_CHECKING:
+    from pydantic import ValidationError
+
+    from sqlbuild.provider.classes.provider import Provider
+
 _PROJECT_PYTHON_PACKAGE_MARKER: str = "__sqlbuild_project_python__"
 _FACTS_MEMO_KEY: str = "declaration_file_facts"
 
@@ -1006,6 +1008,7 @@ def discover_provider_classes(*, project_dir: Path) -> tuple[DiscoveredProvider,
     providers_root: Path = project_dir / "providers"
     if not providers_root.is_dir():
         return ()
+    from sqlbuild.provider.classes.provider import Provider
 
     discovered_providers: list[DiscoveredProvider] = []
     seen_names: dict[str, Path] = {}
@@ -1289,6 +1292,8 @@ def _provider_name(*, provider_class: type[Provider], file_path: Path, project_d
 def _provider_instance(
     *, provider_class: type[Provider], provider_name: str, file_path: Path, project_dir: Path
 ) -> Provider:
+    from pydantic import ValidationError
+
     try:
         return provider_class()
     except ValidationError as error:
@@ -1327,6 +1332,8 @@ def _provider_usages(
         discovered_provider: DiscoveredProvider | None = provider_by_name.get(parameter.name)
         if discovered_provider is None:
             continue
+        from sqlbuild.provider.classes.provider import Provider
+
         annotation: object = type_hints.get(parameter.name, parameter.annotation)
         annotation_class_name: str | None = None
         annotation_module: str | None = None
diff --git a/src/sqlbuild/compiler/discovery/models.py b/src/sqlbuild/compiler/discovery/models.py
index 68453d746e..1bf81b98bf 100644
--- a/src/sqlbuild/compiler/discovery/models.py
+++ b/src/sqlbuild/compiler/discovery/models.py
@@ -14,9 +14,12 @@
     SQL_SCENARIOS_OWNERSHIP_ROOT,
     SQL_TESTS_OWNERSHIP_ROOT,
 )
-from sqlbuild.compiler.discovery.types import LoaderConnectionMode, ScopedDeclarationFile
+from sqlbuild.compiler.discovery.types import (
+    LoaderConnectionMode,
+    ProjectProvider,
+    ScopedDeclarationFile,
+)
 from sqlbuild.compiler.scopes.types import DeclarationKind, ScopeKind
-from sqlbuild.provider.classes.provider import Provider
 from sqlbuild.python_nodes.models import AuditCase, ColumnLineageRef, RetryPolicy, SqlResourceRef
 from sqlbuild.python_nodes.types import PythonCheckSeverity
 from sqlbuild.runtime.event_exporting.constants import EVENT_EXPORT_KINDS
@@ -600,8 +603,8 @@ class DiscoveredProvider:
     file_path: Path
     relative_path: Path
     name: str
-    provider_class: type[Provider]
-    settings: Provider
+    provider_class: type[ProjectProvider]
+    settings: ProjectProvider
 
 
 @dataclass(frozen=True)
diff --git a/src/sqlbuild/compiler/discovery/types.py b/src/sqlbuild/compiler/discovery/types.py
index fc1896e66c..916cf3e92a 100644
--- a/src/sqlbuild/compiler/discovery/types.py
+++ b/src/sqlbuild/compiler/discovery/types.py
@@ -5,10 +5,15 @@
 from dataclasses import Field
 from enum import StrEnum
 from pathlib import Path
-from typing import Any, ClassVar, NamedTuple, Protocol
+from typing import TYPE_CHECKING, Any, ClassVar, NamedTuple, Protocol
 
 from sqlbuild.compiler.scopes.types import ScopeKind
 
+if TYPE_CHECKING:
+    from sqlbuild.provider.classes.provider import Provider
+
+type ProjectProvider = Provider
+
 
 class LoaderConnectionMode(StrEnum):
     """How a source loader owns the destination warehouse connection."""
diff --git a/src/sqlbuild/presentation/classes/transient_status_reporter.py b/src/sqlbuild/presentation/classes/transient_status_reporter.py
index f89b1595fd..9a3aa9e5e9 100644
--- a/src/sqlbuild/presentation/classes/transient_status_reporter.py
+++ b/src/sqlbuild/presentation/classes/transient_status_reporter.py
@@ -4,10 +4,7 @@
 
 import atexit
 from contextlib import AbstractContextManager
-from typing import TextIO
-
-from rich.console import Console
-from rich.status import Status
+from typing import TYPE_CHECKING, TextIO
 
 from sqlbuild.errors.contracts.exceptions import SharedInputError
 from sqlbuild.presentation.classes.cli_style import CliStyle
@@ -15,6 +12,10 @@
 from sqlbuild.presentation.main._progress_spinners_disabled import progress_spinners_disabled
 from sqlbuild.presentation.main.transient_line_coordinator import shared_transient_line_coordinator
 
+if TYPE_CHECKING:
+    from rich.console import Console
+    from rich.status import Status
+
 
 class TransientStatusReporter:
     """Render one transient status line with optional spinner updates."""
@@ -35,9 +36,11 @@ def __init__(
             and hasattr(stream, "isatty")
             and stream.isatty()
         )
-        self._console: Console | None = (
-            Console(file=stream, no_color=(not use_color)) if self._enabled else None
-        )
+        self._console: Console | None = None
+        if self._enabled:
+            from rich.console import Console
+
+            self._console = Console(file=stream, no_color=(not use_color))
         self._status_context: AbstractContextManager[Status] | None = None
         self._status: Status | None = None
         self._active: bool = False
diff --git a/src/sqlbuild/provider/_helpers/injection.py b/src/sqlbuild/provider/_helpers/injection.py
index 83aad8f654..e7680a16ef 100644
--- a/src/sqlbuild/provider/_helpers/injection.py
+++ b/src/sqlbuild/provider/_helpers/injection.py
@@ -5,12 +5,14 @@
 import inspect
 from collections.abc import Callable
 from pathlib import Path
-from typing import get_type_hints
+from typing import TYPE_CHECKING, get_type_hints
 
 from sqlbuild.provider.classes.container import ProviderContainer
-from sqlbuild.provider.classes.provider import Provider
 from sqlbuild.provider.exceptions import ProviderInjectionError, ProviderLookupError
 
+if TYPE_CHECKING:
+    from sqlbuild.provider.classes.provider import Provider
+
 _CONTEXT_PARAMETER_NAMES: frozenset[str] = frozenset({"ctx", "context", "_ctx", "hook_context"})
 
 
@@ -80,6 +82,8 @@ def _provider_for_parameter(
     annotation: object,
     providers: ProviderContainer | None,
 ) -> Provider | None:
+    from sqlbuild.provider.classes.provider import Provider
+
     provider_annotation: type[Provider] | None = (
         annotation if isinstance(annotation, type) and issubclass(annotation, Provider) else None
     )
diff --git a/src/sqlbuild/provider/_helpers/session.py b/src/sqlbuild/provider/_helpers/session.py
index 5db65bfe2b..14285017d3 100644
--- a/src/sqlbuild/provider/_helpers/session.py
+++ b/src/sqlbuild/provider/_helpers/session.py
@@ -5,10 +5,10 @@
 from typing import TYPE_CHECKING
 
 from sqlbuild.compiler.discovery.models import DiscoveredProvider
-from sqlbuild.provider.classes.provider import Provider
 from sqlbuild.provider.classes.session import ProviderSession
 
 if TYPE_CHECKING:
+    from sqlbuild.provider.classes.provider import Provider
     from sqlbuild.runtime.event_exporting.classes.command_scope import EventExporterCommandScope
 
 
diff --git a/src/sqlbuild/provider/classes/container.py b/src/sqlbuild/provider/classes/container.py
index 1bff24e459..ee53dd8677 100644
--- a/src/sqlbuild/provider/classes/container.py
+++ b/src/sqlbuild/provider/classes/container.py
@@ -5,10 +5,10 @@
 from collections.abc import Iterator
 from typing import TYPE_CHECKING
 
-from sqlbuild.provider.classes.provider import Provider
 from sqlbuild.provider.exceptions import ProviderLookupError
 
 if TYPE_CHECKING:
+    from sqlbuild.provider.classes.provider import Provider
     from sqlbuild.provider.classes.session import ProviderSession
 
 
diff --git a/src/sqlbuild/provider/classes/session.py b/src/sqlbuild/provider/classes/session.py
index 675303fc4c..07e836710d 100644
--- a/src/sqlbuild/provider/classes/session.py
+++ b/src/sqlbuild/provider/classes/session.py
@@ -4,15 +4,18 @@
 
 from collections.abc import Iterable, Mapping
 from threading import RLock
+from typing import TYPE_CHECKING
 
 from sqlbuild.provider.classes.container import ProviderContainer
-from sqlbuild.provider.classes.provider import Provider
 from sqlbuild.provider.exceptions import (
     ProviderLookupError,
     ProviderSetupError,
     ProviderTeardownError,
 )
 
+if TYPE_CHECKING:
+    from sqlbuild.provider.classes.provider import Provider
+
 
 class ProviderSession:
     """Command-scoped provider lifecycle manager."""
diff --git a/tests/integration/src/sqlbuild/cli/commands/main/_test_types.py b/tests/integration/src/sqlbuild/cli/commands/main/_test_types.py
index f10cda5377..d1d3de4b52 100644
--- a/tests/integration/src/sqlbuild/cli/commands/main/_test_types.py
+++ b/tests/integration/src/sqlbuild/cli/commands/main/_test_types.py
@@ -1008,3 +1008,13 @@ class CommandWarehouseExitTestCase:
     expected_connect_calls: int = 0
     warehouses_section: str = '[targets.dev.warehouses]\nbuild = "BUILD_WH"\nquery = "ADHOC_WH"\n'
     local_config: str = ""
+
+
+@dataclass(frozen=True)
+class StartupImportFootprintTestCase:
+    """One fresh-process CLI invocation and the heavy modules it must not load."""
+
+    description: str
+    argv: tuple[str, ...]
+    expected_exit_code: int
+    forbidden_modules: tuple[str, ...]
diff --git a/tests/integration/src/sqlbuild/cli/commands/main/test_compile_startup_imports.py b/tests/integration/src/sqlbuild/cli/commands/main/test_compile_startup_imports.py
index a5fd9d6b29..249dd2d798 100644
--- a/tests/integration/src/sqlbuild/cli/commands/main/test_compile_startup_imports.py
+++ b/tests/integration/src/sqlbuild/cli/commands/main/test_compile_startup_imports.py
@@ -85,8 +85,8 @@ def test_given_legacy_model_imports_when_loading_focused_models_then_exports_kee
 
 expected_modules = {
     "CompileAnalysis": compile_models,
-    "CompileCommandRequest": compile_models,
-    "CompileProfileFlags": compile_models,
+    "CompileCommandRequest": entry_models,
+    "CompileProfileFlags": entry_models,
     "CompileWriteResult": compile_models,
     "SqlTestArtifactCacheRecord": compile_models,
     "SqlTestArtifactIdentityContext": compile_models,
diff --git a/tests/integration/src/sqlbuild/cli/commands/main/test_native_allocator_entry.py b/tests/integration/src/sqlbuild/cli/commands/main/test_native_allocator_entry.py
index 20c65d4a63..3a9f7b5e22 100644
--- a/tests/integration/src/sqlbuild/cli/commands/main/test_native_allocator_entry.py
+++ b/tests/integration/src/sqlbuild/cli/commands/main/test_native_allocator_entry.py
@@ -22,9 +22,11 @@
 
 loaded_at_import = "sqlbuild._native" in sys.modules
 exit_code = main(["--version"])
+loaded_by_version = "sqlbuild._native" in sys.modules
+import sqlbuild._native
 print(json.dumps({
     "loaded_at_import": loaded_at_import,
-    "loaded_after_main": "sqlbuild._native" in sys.modules,
+    "loaded_by_version": loaded_by_version,
     "purge_delay": os.environ.get("MIMALLOC_PURGE_DELAY"),
     "exit_code": exit_code,
 }))
@@ -65,7 +67,7 @@ def test_given_fresh_process_when_running_cli_entry_then_purge_delay_is_set_befo
 
     assert payload == {
         "loaded_at_import": False,
-        "loaded_after_main": True,
+        "loaded_by_version": False,
         "purge_delay": test_case.expected_purge_delay,
         "exit_code": 0,
     }
diff --git a/tests/integration/src/sqlbuild/cli/commands/main/test_startup_import_footprint.py b/tests/integration/src/sqlbuild/cli/commands/main/test_startup_import_footprint.py
new file mode 100644
index 0000000000..8f7093562a
--- /dev/null
+++ b/tests/integration/src/sqlbuild/cli/commands/main/test_startup_import_footprint.py
@@ -0,0 +1,142 @@
+"""Fresh-process guard that CLI startup loads only what the invoked command needs."""
+
+from __future__ import annotations
+
+import json
+import subprocess
+import sys
+from pathlib import Path
+from typing import cast
+
+import pytest
+
+from tests.integration.src.sqlbuild.cli.commands.main._test_types import (
+    StartupImportFootprintTestCase,
+)
+from tests.integration.src.sqlbuild.cli.commands.main.helpers import (
+    write_compile_startup_project,
+)
+
+WAREHOUSE_AND_INTEGRATION_MODULES: tuple[str, ...] = (
+    "dagster",
+    "databricks",
+    "dlt",
+    "duckdb",
+    "google.cloud.bigquery",
+    "ingestr",
+    "jinja2",
+    "psycopg",
+    "pyarrow",
+    "pymssql",
+    "snowflake.connector",
+)
+COMPILE_ONLY_MODULES: tuple[str, ...] = (
+    "filelock",
+    "polyglot_sql",
+    "pydantic",
+    "yaml",
+    "sqlbuild._native",
+    "sqlbuild.adapter.contract.classes.base_adapter",
+    "sqlbuild.cli.compile.models",
+    "sqlbuild.cli.output.models",
+    "sqlbuild.compiler.compile.models",
+    "sqlbuild.compiler.discovery.models",
+    "sqlbuild.compiler.planner.models",
+    "sqlbuild.lint",
+    "sqlbuild.rule_engine",
+    "sqlbuild.runtime.compute_logs",
+)
+PRESENTATION_AND_PROVIDER_MODULES: tuple[str, ...] = (
+    "pydantic_settings",
+    "rich",
+    "sqlbuild.cli.commands.models",
+)
+PARSE_ONLY_FORBIDDEN: tuple[str, ...] = (
+    *WAREHOUSE_AND_INTEGRATION_MODULES,
+    *COMPILE_ONLY_MODULES,
+    *PRESENTATION_AND_PROVIDER_MODULES,
+)
+COMPILE_FORBIDDEN: tuple[str, ...] = (
+    *WAREHOUSE_AND_INTEGRATION_MODULES,
+    *PRESENTATION_AND_PROVIDER_MODULES,
+)
+
+_FOOTPRINT_SCRIPT: str = """
+import contextlib, io, json, sys
+from sqlbuild.cli.entry.main.entry import main
+
+argv = json.loads(sys.argv[1])
+forbidden = json.loads(sys.argv[2])
+with contextlib.redirect_stdout(io.StringIO()), contextlib.redirect_stderr(io.StringIO()):
+    code = main(argv)
+loaded = sorted(
+    name for name in forbidden
+    if any(module == name or module.startswith(name + ".") for module in sys.modules)
+)
+print(json.dumps({"code": code, "loaded": loaded}))
+"""
+
+
+@pytest.mark.parametrize(
+    "test_case",
+    [
+        StartupImportFootprintTestCase(
+            description="version",
+            argv=("--version",),
+            expected_exit_code=0,
+            forbidden_modules=PARSE_ONLY_FORBIDDEN,
+        ),
+        StartupImportFootprintTestCase(
+            description="root help",
+            argv=("--help",),
+            expected_exit_code=0,
+            forbidden_modules=PARSE_ONLY_FORBIDDEN,
+        ),
+        StartupImportFootprintTestCase(
+            description="compile help",
+            argv=("compile", "--help"),
+            expected_exit_code=0,
+            forbidden_modules=PARSE_ONLY_FORBIDDEN,
+        ),
+        StartupImportFootprintTestCase(
+            description="unknown argument",
+            argv=("compile", "--unknown-option"),
+            expected_exit_code=2,
+            forbidden_modules=PARSE_ONLY_FORBIDDEN,
+        ),
+        StartupImportFootprintTestCase(
+            description="plain compile",
+            argv=("compile", "--json"),
+            expected_exit_code=0,
+            forbidden_modules=COMPILE_FORBIDDEN,
+        ),
+    ],
+    ids=lambda case: case.description,
+)
+def test_given_fresh_interpreter_when_running_cli_then_heavy_modules_stay_unloaded(
+    test_case: StartupImportFootprintTestCase, tmp_path: Path
+) -> None:
+    write_compile_startup_project(tmp_path)
+    argv: list[str] = ["--project-dir", str(tmp_path), *test_case.argv]
+
+    result: subprocess.CompletedProcess[str] = subprocess.run(
+        [
+            sys.executable,
+            "-c",
+            _FOOTPRINT_SCRIPT,
+            json.dumps(argv),
+            json.dumps(test_case.forbidden_modules),
+        ],
+        check=True,
+        capture_output=True,
+        text=True,
+        cwd=tmp_path,
+    )
+    outcome: dict[str, object] = json.loads(result.stdout.strip().splitlines()[-1])
+
+    assert outcome["code"] == test_case.expected_exit_code
+    assert cast(list[str], outcome["loaded"]) == []
+
+
+if __name__ == "__main__":
+    pytest.main([__file__, "-vv"])
diff --git a/tests/unit/src/sqlbuild/cli/commands/_helpers/debug/test_checks.py b/tests/unit/src/sqlbuild/cli/commands/_helpers/debug/test_checks.py
index 79321259e8..33ab46d16d 100644
--- a/tests/unit/src/sqlbuild/cli/commands/_helpers/debug/test_checks.py
+++ b/tests/unit/src/sqlbuild/cli/commands/_helpers/debug/test_checks.py
@@ -7,7 +7,7 @@
 import pytest
 
 from sqlbuild.cli.commands._helpers.debug.checks import build_debug_result
-from sqlbuild.cli.commands._helpers.runtime.warehouses import command_warehouse_scope
+from sqlbuild.cli.commands._helpers.runtime.warehouse_scope import command_warehouse_scope
 from sqlbuild.cli.commands.models import DebugResult
 from tests.unit.src.sqlbuild.cli.commands._helpers.debug._test_types import (
     DebugWarehouseVarsTestCase,
diff --git a/tests/unit/src/sqlbuild/cli/commands/_helpers/runtime/test_warehouses.py b/tests/unit/src/sqlbuild/cli/commands/_helpers/runtime/test_warehouses.py
index 945ccd3bff..8acad574d4 100644
--- a/tests/unit/src/sqlbuild/cli/commands/_helpers/runtime/test_warehouses.py
+++ b/tests/unit/src/sqlbuild/cli/commands/_helpers/runtime/test_warehouses.py
@@ -9,10 +9,8 @@
 
 from sqlbuild.cli.commands._helpers.entry.parser import build_cli_parser
 from sqlbuild.cli.commands._helpers.runtime.connection import resolve_project_connection_config
-from sqlbuild.cli.commands._helpers.runtime.warehouses import (
-    command_warehouse_scope,
-    describe_connection_warehouse,
-)
+from sqlbuild.cli.commands._helpers.runtime.warehouse_scope import command_warehouse_scope
+from sqlbuild.cli.commands._helpers.runtime.warehouses import describe_connection_warehouse
 from sqlbuild.cli.commands.constants import COMMAND_WAREHOUSE_GROUPS
 from sqlbuild.cli.commands.exceptions import CliUserError
 from sqlbuild.cli.commands.types import CliCommand
diff --git a/tests/unit/src/sqlbuild/cli/commands/main/compile/test_compile_command.py b/tests/unit/src/sqlbuild/cli/commands/main/compile/test_compile_command.py
index 9a643a83dc..394d401383 100644
--- a/tests/unit/src/sqlbuild/cli/commands/main/compile/test_compile_command.py
+++ b/tests/unit/src/sqlbuild/cli/commands/main/compile/test_compile_command.py
@@ -15,9 +15,7 @@
 from sqlbuild.cli.commands.main.project import _compile as compile_command
 from sqlbuild.cli.commands.types import CompileLineageMode
 from sqlbuild.cli.compile.main.run import run_compile
-from sqlbuild.cli.compile.models import (
-    CompileCommandRequest,
-)
+from sqlbuild.cli.entry.models import CompileCommandRequest
 from sqlbuild.compiler.compile.models import CompilerDiagnostic
 from sqlbuild.compiler.lineage.types import ColumnLineageMode
 from sqlbuild.compiler.pipeline.models import ProjectGraph
diff --git a/tests/unit/src/sqlbuild/cli/commands/main/entry/test_compute_capture.py b/tests/unit/src/sqlbuild/cli/commands/main/entry/test_compute_capture.py
index 9de30d0553..cfb5e25eb8 100644
--- a/tests/unit/src/sqlbuild/cli/commands/main/entry/test_compute_capture.py
+++ b/tests/unit/src/sqlbuild/cli/commands/main/entry/test_compute_capture.py
@@ -8,9 +8,7 @@
 
 from sqlbuild.cli.commands.main.entrypoint import _dispatch_with_compute_logs as compute_dispatch
 from sqlbuild.cli.commands.main.entrypoint.entry import _main_with_dependencies
-from sqlbuild.cli.compile.models import (
-    CompileCommandRequest,
-)
+from sqlbuild.cli.entry.models import CompileCommandRequest
 from sqlbuild.diagnostics.classes.dynamic_stderr_handler import DynamicStderrHandler
 from sqlbuild.diagnostics.main.log_debug_event import log_debug_event
 from sqlbuild.diagnostics.main.log_sql import log_sql
diff --git a/tests/unit/src/sqlbuild/cli/commands/main/entry/test_main.py b/tests/unit/src/sqlbuild/cli/commands/main/entry/test_main.py
index 98ea5b9414..9a41148b7b 100644
--- a/tests/unit/src/sqlbuild/cli/commands/main/entry/test_main.py
+++ b/tests/unit/src/sqlbuild/cli/commands/main/entry/test_main.py
@@ -30,9 +30,7 @@
     ScenarioTestCommandRequest,
 )
 from sqlbuild.cli.commands.types import CompileLineageMode
-from sqlbuild.cli.compile.models import (
-    CompileCommandRequest,
-)
+from sqlbuild.cli.entry.models import CompileCommandRequest
 from sqlbuild.compiler.compile.exceptions import CompileInputError
 from sqlbuild.compiler.discovery.exceptions import ProjectConfigError
 from sqlbuild.compiler.lineage.types import ColumnLineageMode