diff --git a/.gitignore b/.gitignore
index da055c2..b74d171 100644
--- a/.gitignore
+++ b/.gitignore
@@ -14,8 +14,8 @@ wheels/
 .devenv.flake.nix
 .pre-commit-config.yaml
 
-# bulkgen state
-.*.bulkgen-state.yaml
+# hokusai state
+.*.hokusai-state.yaml
 
 # Nix
 result
diff --git a/.python-version b/.python-version
index 6324d40..24ee5b1 100644
--- a/.python-version
+++ b/.python-version
@@ -1 +1 @@
-3.14
+3.13
diff --git a/CLAUDE.md b/CLAUDE.md
index c59b9d3..3a65f43 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -1,17 +1,17 @@
-# CLAUDE.md - bulkgen development guide
+# CLAUDE.md - hokusai development guide
 
 ## Project overview
 
-bulkgen is a `make`-like build tool for AI-generated artifacts (images and text). A YAML config file defines targets with dependencies; bulkgen builds a DAG with networkx and executes generation in parallel topological order using Mistral (text) and BlackForestLabs (images) as providers.
+hokusai is a `make`-like build tool for AI-generated artifacts (images and text). A YAML config file defines targets with dependencies; hokusai builds a DAG with networkx and executes generation in parallel topological order using Mistral (text) and BlackForestLabs (images) as providers.
 
 ## Commands
 
 ```bash
 uv sync                  # install dependencies
-uv run bulkgen build     # build all targets
-uv run bulkgen build X   # build target X and its transitive deps
-uv run bulkgen clean     # remove generated artifacts + state file
-uv run bulkgen graph     # print dependency graph with stages
+uv run hokusai build     # build all targets
+uv run hokusai build X   # build target X and its transitive deps
+uv run hokusai clean     # remove generated artifacts + state file
+uv run hokusai graph     # print dependency graph with stages
 uv run pytest            # run tests
 ```
 
@@ -45,14 +45,14 @@ ruff format --check
 ### Module structure
 
 ```
-main.py                  # Entry point: imports and runs bulkgen.cli.app
-bulkgen/
+main.py                  # Entry point: imports and runs hokusai.cli.app
+hokusai/
   __init__.py
   cli.py                 # Typer CLI: build, clean, graph commands
   config.py              # Pydantic models for YAML config
   graph.py               # networkx DAG construction and traversal
   builder.py             # Build orchestrator: incremental + parallel
-  state.py               # .bulkgen.state.yaml hash tracking
+  state.py               # .hokusai.state.yaml hash tracking
   providers/
     __init__.py           # Abstract Provider base class (ABC)
     image.py              # BlackForestLabs image generation
@@ -61,7 +61,7 @@ bulkgen/
 
 ### Data flow
 
-1. **cli.py** finds the `*.bulkgen.yaml` in cwd, calls `load_config()` from `config.py`
+1. **cli.py** finds the `*.hokusai.yaml` in cwd, calls `load_config()` from `config.py`
 2. **config.py** parses YAML into `ProjectConfig` (pydantic), which contains `Defaults` and `dict[str, TargetConfig]`
 3. **graph.py** builds an `nx.DiGraph` from target dependencies. `get_build_order()` uses `nx.topological_generations()` to return parallel batches
 4. **builder.py** `run_build()` iterates generations. Per generation:
@@ -77,13 +77,13 @@ bulkgen/
 - **Prompt resolution**: if the `prompt` string is a path to an existing file, its contents are read; otherwise it's used as-is. Done in `builder.py:_resolve_prompt()`.
 - **BFL client is synchronous**: wrapped in `asyncio.to_thread()` in `providers/image.py`. Uses `ClientConfig(sync=True, timeout=300)` for internal polling.
 - **Mistral client is natively async**: uses `complete_async()` directly in `providers/text.py`.
-- **Incremental builds**: `.bulkgen.state.yaml` tracks per-target: input file hashes, prompt hash, model name, and extra params hash. Any change marks the target dirty.
+- **Incremental builds**: `.hokusai.state.yaml` tracks per-target: input file hashes, prompt hash, model name, and extra params hash. Any change marks the target dirty.
 - **Error isolation**: if a target fails, its dependents are marked "Dependency failed" but independent targets continue building.
 - **State saved per-generation**: partial progress survives crashes. At most one generation of work is lost.
 
 ### Provider interface
 
-All providers implement `bulkgen.providers.Provider`:
+All providers implement `hokusai.providers.Provider`:
 ```python
 async def generate(self, target_name, target_config, resolved_prompt, resolved_model, project_dir) -> None
 ```
diff --git a/README.md b/README.md
index 3cac101..7a98612 100644
--- a/README.md
+++ b/README.md
@@ -1,9 +1,11 @@
-# bulkgen
+# hokusai
 
-A build tool for AI-generated artifacts. Define image and text targets in a YAML config, and bulkgen handles dependency resolution, incremental builds, and parallel execution.
+A build tool for AI-generated artifacts. Define image and text targets in a YAML config, and hokusai handles dependency resolution, incremental builds, and parallel execution.
 
 Uses [Mistral](https://mistral.ai) and [OpenAI](https://openai.com) for text generation, and [BlackForestLabs](https://blackforestlabs.ai) (FLUX) and [OpenAI](https://openai.com) for image generation.
 
+The name Hokusai was chosen in honor of [Katsushika Hokusai](https://en.wikipedia.org/wiki/Hokusai), who produced over 30,000 paintings, sketches, woodblock prints, and images for picture books, many in larger series.
+
 ## Installation
 
 Requires Python 3.13+.
@@ -28,7 +30,7 @@ export BFL_API_KEY="your-key"
 export OPENAI_API_KEY="your-key"
 ```
 
-2. Create a config file (e.g. `my-project.bulkgen.yaml`):
+2. Create a config file (e.g. `my-project.hokusai.yaml`):
 
 ```yaml
 defaults:
@@ -51,12 +53,12 @@ targets:
 3. Build:
 
 ```bash
-bulkgen build
+hokusai build
 ```
 
 ## Config format
 
-The config file must be named `<anything>.bulkgen.yaml` and placed in your project directory. One config file per directory.
+The config file must be named `<anything>.hokusai.yaml` and placed in your project directory. One config file per directory.
 
 ### Top-level fields
 
@@ -127,7 +129,7 @@ targets:
       - research-notes.md        # depends on an existing file
 ```
 
-bulkgen resolves dependencies automatically. If you build a single target, its transitive dependencies are included.
+hokusai resolves dependencies automatically. If you build a single target, its transitive dependencies are included.
 
 ### Archiving previous outputs
 
@@ -145,7 +147,7 @@ On each rebuild of `hero.png`, the previous file is archived as `archive/hero.01
 
 ## CLI
 
-### `bulkgen build [target]`
+### `hokusai build [target]`
 
 Build all targets, or a specific target and its dependencies.
 
@@ -153,11 +155,11 @@ Build all targets, or a specific target and its dependencies.
 - Runs independent targets in parallel
 - Continues building if a target fails (dependents of the failed target are skipped)
 
-### `bulkgen clean`
+### `hokusai clean`
 
-Remove all generated target files and the build state file (`.bulkgen.state.yaml`). Input files are preserved.
+Remove all generated target files and the build state file (`.hokusai.state.yaml`). Input files are preserved.
 
-### `bulkgen graph`
+### `hokusai graph`
 
 Print the dependency graph showing build stages:
 
@@ -171,7 +173,7 @@ Stage 1 (targets): variant.png, summary.md
 
 ## Incremental builds
 
-bulkgen tracks the state of each build in `.bulkgen.state.yaml` (auto-generated, add to `.gitignore`). A target is rebuilt when any of these change:
+hokusai tracks the state of each build in `.hokusai.state.yaml` (auto-generated, add to `.gitignore`). A target is rebuilt when any of these change:
 
 - Input file contents (SHA-256 hash)
 - Prompt text
@@ -180,7 +182,7 @@ bulkgen tracks the state of each build in `.bulkgen.state.yaml` (auto-generated,
 
 ## Installation with Nix / home-manager
 
-bulkgen provides a Nix flake with a home-manager module. Add the flake as an input and enable the module:
+hokusai provides a Nix flake with a home-manager module. Add the flake as an input and enable the module:
 
 ```nix
 # flake.nix
@@ -188,17 +190,17 @@ bulkgen provides a Nix flake with a home-manager module. Add the flake as an inp
   inputs = {
     nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
     home-manager.url = "github:nix-community/home-manager";
-    bulkgen.url = "github:kfickel/bulkgen";  # adjust to your actual repo URL
+    hokusai.url = "github:kfickel/hokusai";  # adjust to your actual repo URL
   };
 
-  outputs = { nixpkgs, home-manager, bulkgen, ... }: {
+  outputs = { nixpkgs, home-manager, hokusai, ... }: {
     # ... your existing config, then in homeConfigurations:
     homeConfigurations."user" = home-manager.lib.homeManagerConfiguration {
       # ...
       modules = [
-        bulkgen.homeManagerModules.bulkgen
+        hokusai.homeManagerModules.hokusai
         {
-          programs.bulkgen.enable = true;
+          programs.hokusai.enable = true;
         }
       ];
     };
@@ -206,11 +208,11 @@ bulkgen provides a Nix flake with a home-manager module. Add the flake as an inp
 }
 ```
 
-This places the `bulkgen` binary on your `$PATH`. To use a different package build (e.g. from a different system or overlay), set `programs.bulkgen.package`.
+This places the `hokusai` binary on your `$PATH`. To use a different package build (e.g. from a different system or overlay), set `programs.hokusai.package`.
 
 The flake also exposes:
 
-- `packages.<system>.bulkgen` — the standalone package, usable without home-manager (e.g. `nix run github:kfickel/bulkgen`)
+- `packages.<system>.hokusai` — the standalone package, usable without home-manager (e.g. `nix run github:kfickel/hokusai`)
 - `devShells.<system>.default` — development shell with all dependencies
 
 ## Environment variables
diff --git a/flake.nix b/flake.nix
index d4b9400..f3a4251 100644
--- a/flake.nix
+++ b/flake.nix
@@ -1,5 +1,5 @@
 {
-  description = "bulkgen - Bulk-Generate Images with Generative AI";
+  description = "hokusai - Bulk-Generate Images with Generative AI";
 
   inputs = {
     nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
@@ -63,15 +63,15 @@
           };
 
           pyprojectOverrides = _final: prev: {
-            bulkgen = prev.bulkgen.overrideAttrs (old: {
+            hokusai = prev.hokusai.overrideAttrs (old: {
               passthru = old.passthru // {
                 tests = (old.passthru.tests or { }) // {
                   pytest = stdenv.mkDerivation {
-                    name = "${_final.bulkgen.name}-pytest";
-                    inherit (_final.bulkgen) src;
+                    name = "${_final.hokusai.name}-pytest";
+                    inherit (_final.hokusai) src;
                     nativeBuildInputs = [
-                      (_final.mkVirtualEnv "bulkgen-pytest-env" {
-                        bulkgen = [ "dev" ];
+                      (_final.mkVirtualEnv "hokusai-pytest-env" {
+                        hokusai = [ "dev" ];
                       })
                     ];
                     dontConfigure = true;
@@ -108,7 +108,7 @@
         let
           pkgs = nixpkgs.legacyPackages.${system};
           pythonSet = pythonSets.${system};
-          venv = pythonSet.mkVirtualEnv "bulkgen-check-env" workspace.deps.default;
+          venv = pythonSet.mkVirtualEnv "hokusai-check-env" workspace.deps.default;
         in
         git-hooks.lib.${system}.run {
           src = ./.;
@@ -142,17 +142,17 @@
           inherit (pkgs.callPackages pyproject-nix.build.util { }) mkApplication;
         in
         rec {
-          bulkgen = mkApplication {
-            venv = pythonSet.mkVirtualEnv "bulkgen-env" workspace.deps.default;
-            package = pythonSet.bulkgen;
+          hokusai = mkApplication {
+            venv = pythonSet.mkVirtualEnv "hokusai-env" workspace.deps.default;
+            package = pythonSet.hokusai;
           };
-          default = bulkgen;
+          default = hokusai;
         }
       );
 
       homeManagerModules = rec {
-        bulkgen = import ./nix/hm-module.nix self;
-        default = bulkgen;
+        hokusai = import ./nix/hm-module.nix self;
+        default = hokusai;
       };
 
       checks = forAllSystems (
@@ -161,7 +161,7 @@
           pythonSet = pythonSets.${system};
         in
         {
-          inherit (pythonSet.bulkgen.passthru.tests) pytest;
+          inherit (pythonSet.hokusai.passthru.tests) pytest;
           pre-commit = mkGitHooksCheck system;
         }
       );
@@ -171,7 +171,7 @@
         let
           pkgs = nixpkgs.legacyPackages.${system};
           pythonSet = pythonSets.${system}.overrideScope editableOverlay;
-          virtualenv = pythonSet.mkVirtualEnv "bulkgen-dev-env" workspace.deps.all;
+          virtualenv = pythonSet.mkVirtualEnv "hokusai-dev-env" workspace.deps.all;
         in
         {
           default = pkgs.mkShell {
diff --git a/bulkgen/__init__.py b/hokusai/__init__.py
similarity index 100%
rename from bulkgen/__init__.py
rename to hokusai/__init__.py
diff --git a/bulkgen/builder.py b/hokusai/builder.py
similarity index 95%
rename from bulkgen/builder.py
rename to hokusai/builder.py
index 9005f11..7e3a22d 100644
--- a/bulkgen/builder.py
+++ b/hokusai/builder.py
@@ -9,15 +9,15 @@ from collections.abc import Callable
 from dataclasses import dataclass, field
 from pathlib import Path
 
-from bulkgen.config import ProjectConfig
-from bulkgen.graph import build_graph, get_build_order, get_subgraph_for_target
-from bulkgen.providers import Provider
-from bulkgen.providers.blackforest import BlackForestProvider
-from bulkgen.providers.mistral import MistralProvider
-from bulkgen.providers.openai_image import OpenAIImageProvider
-from bulkgen.providers.openai_text import OpenAITextProvider
-from bulkgen.resolve import resolve_model
-from bulkgen.state import (
+from hokusai.config import ProjectConfig
+from hokusai.graph import build_graph, get_build_order, get_subgraph_for_target
+from hokusai.providers import Provider
+from hokusai.providers.blackforest import BlackForestProvider
+from hokusai.providers.mistral import MistralProvider
+from hokusai.providers.openai_image import OpenAIImageProvider
+from hokusai.providers.openai_text import OpenAITextProvider
+from hokusai.resolve import resolve_model
+from hokusai.state import (
     BuildState,
     is_target_dirty,
     load_state,
diff --git a/bulkgen/cli.py b/hokusai/cli.py
similarity index 90%
rename from bulkgen/cli.py
rename to hokusai/cli.py
index af991be..26e4ef5 100644
--- a/bulkgen/cli.py
+++ b/hokusai/cli.py
@@ -1,4 +1,4 @@
-"""Typer CLI for bulkgen: build, clean, graph commands."""
+"""Typer CLI for hokusai: build, clean, graph commands."""
 
 from __future__ import annotations
 
@@ -10,33 +10,33 @@ from typing import Annotated
 import click
 import typer
 
-from bulkgen.builder import BuildEvent, BuildResult, run_build
-from bulkgen.config import ProjectConfig, load_config
-from bulkgen.graph import build_graph, get_build_order
-from bulkgen.providers.registry import get_all_models
-from bulkgen.state import state_filename
+from hokusai.builder import BuildEvent, BuildResult, run_build
+from hokusai.config import ProjectConfig, load_config
+from hokusai.graph import build_graph, get_build_order
+from hokusai.providers.registry import get_all_models
+from hokusai.state import state_filename
 
-app = typer.Typer(name="bulkgen", help="AI artifact build tool.")
+app = typer.Typer(name="hokusai", help="AI artifact build tool.")
 
-_CONFIG_SUFFIX = ".bulkgen.yaml"
+_CONFIG_SUFFIX = ".hokusai.yaml"
 
 
 def _project_name(config_path: Path) -> str:
     """Derive the project name from a config path.
 
-    ``cards.bulkgen.yaml`` → ``cards``
+    ``cards.hokusai.yaml`` → ``cards``
     """
     name = config_path.name
     return name.removesuffix(_CONFIG_SUFFIX)
 
 
 def _find_config(directory: Path) -> Path:
-    """Find the single ``*.bulkgen.yaml`` file in *directory*."""
-    candidates = list(directory.glob("*.bulkgen.yaml"))
+    """Find the single ``*.hokusai.yaml`` file in *directory*."""
+    candidates = list(directory.glob("*.hokusai.yaml"))
     if len(candidates) == 0:
         click.echo(
             click.style("Error: ", fg="red", bold=True)
-            + "No .bulkgen.yaml file found in current directory",
+            + "No .hokusai.yaml file found in current directory",
             err=True,
         )
         raise typer.Exit(code=1)
@@ -44,7 +44,7 @@ def _find_config(directory: Path) -> Path:
         names = ", ".join(str(c.name) for c in candidates)
         click.echo(
             click.style("Error: ", fg="red", bold=True)
-            + f"Multiple .bulkgen.yaml files found: {names}",
+            + f"Multiple .hokusai.yaml files found: {names}",
             err=True,
         )
         raise typer.Exit(code=1)
@@ -116,7 +116,7 @@ def build(
     config = load_config(config_path)
     name = _project_name(config_path)
 
-    click.echo(click.style("bulkgen", fg="cyan", bold=True) + " building targets...\n")
+    click.echo(click.style("hokusai", fg="cyan", bold=True) + " building targets...\n")
 
     result, elapsed = _run_build(config, project_dir, name, target)
 
diff --git a/bulkgen/config.py b/hokusai/config.py
similarity index 86%
rename from bulkgen/config.py
rename to hokusai/config.py
index 20b929d..76c293f 100644
--- a/bulkgen/config.py
+++ b/hokusai/config.py
@@ -1,4 +1,4 @@
-"""Pydantic models for bulkgen YAML configuration."""
+"""Pydantic models for hokusai YAML configuration."""
 
 from __future__ import annotations
 
@@ -9,7 +9,7 @@ from typing import Self
 import yaml
 from pydantic import BaseModel, model_validator
 
-from bulkgen.providers.models import Capability
+from hokusai.providers.models import Capability
 
 IMAGE_EXTENSIONS: frozenset[str] = frozenset({".png", ".jpg", ".jpeg", ".webp"})
 TEXT_EXTENSIONS: frozenset[str] = frozenset({".md", ".txt"})
@@ -42,7 +42,7 @@ class TargetConfig(BaseModel):
 
 
 class ProjectConfig(BaseModel):
-    """Top-level configuration parsed from ``<name>.bulkgen.yaml``."""
+    """Top-level configuration parsed from ``<name>.hokusai.yaml``."""
 
     defaults: Defaults = Defaults()
     targets: dict[str, TargetConfig]
@@ -57,7 +57,7 @@ class ProjectConfig(BaseModel):
 
 def target_type_from_capabilities(capabilities: frozenset[Capability]) -> TargetType:
     """Derive the target type from a set of required capabilities."""
-    from bulkgen.providers.models import Capability
+    from hokusai.providers.models import Capability
 
     if Capability.TEXT_TO_IMAGE in capabilities:
         return TargetType.IMAGE
@@ -65,7 +65,7 @@ def target_type_from_capabilities(capabilities: frozenset[Capability]) -> Target
 
 
 def load_config(config_path: Path) -> ProjectConfig:
-    """Load and validate a ``.bulkgen.yaml`` file."""
+    """Load and validate a ``.hokusai.yaml`` file."""
     with config_path.open() as f:
         raw = yaml.safe_load(f)  # pyright: ignore[reportAny]
     return ProjectConfig.model_validate(raw)
diff --git a/bulkgen/graph.py b/hokusai/graph.py
similarity index 98%
rename from bulkgen/graph.py
rename to hokusai/graph.py
index 7ed15e4..3d83a29 100644
--- a/bulkgen/graph.py
+++ b/hokusai/graph.py
@@ -6,7 +6,7 @@ from pathlib import Path
 
 import networkx as nx
 
-from bulkgen.config import ProjectConfig
+from hokusai.config import ProjectConfig
 
 
 def build_graph(config: ProjectConfig, project_dir: Path) -> nx.DiGraph[str]:
diff --git a/bulkgen/providers/__init__.py b/hokusai/providers/__init__.py
similarity index 92%
rename from bulkgen/providers/__init__.py
rename to hokusai/providers/__init__.py
index 71f9b89..b91dc3b 100644
--- a/bulkgen/providers/__init__.py
+++ b/hokusai/providers/__init__.py
@@ -6,10 +6,10 @@ import abc
 from pathlib import Path
 from typing import TYPE_CHECKING
 
-from bulkgen.providers.models import ModelInfo
+from hokusai.providers.models import ModelInfo
 
 if TYPE_CHECKING:
-    from bulkgen.config import TargetConfig
+    from hokusai.config import TargetConfig
 
 
 class Provider(abc.ABC):
diff --git a/bulkgen/providers/bfl.py b/hokusai/providers/bfl.py
similarity index 100%
rename from bulkgen/providers/bfl.py
rename to hokusai/providers/bfl.py
diff --git a/bulkgen/providers/blackforest.py b/hokusai/providers/blackforest.py
similarity index 96%
rename from bulkgen/providers/blackforest.py
rename to hokusai/providers/blackforest.py
index e94e250..d139964 100644
--- a/bulkgen/providers/blackforest.py
+++ b/hokusai/providers/blackforest.py
@@ -8,10 +8,10 @@ from typing import override
 
 import httpx
 
-from bulkgen.config import TargetConfig
-from bulkgen.providers import Provider
-from bulkgen.providers.bfl import BFLClient
-from bulkgen.providers.models import Capability, ModelInfo
+from hokusai.config import TargetConfig
+from hokusai.providers import Provider
+from hokusai.providers.bfl import BFLClient
+from hokusai.providers.models import Capability, ModelInfo
 
 
 def _encode_image_b64(path: Path) -> str:
diff --git a/bulkgen/providers/mistral.py b/hokusai/providers/mistral.py
similarity index 95%
rename from bulkgen/providers/mistral.py
rename to hokusai/providers/mistral.py
index c8be302..03a0de8 100644
--- a/bulkgen/providers/mistral.py
+++ b/hokusai/providers/mistral.py
@@ -9,9 +9,9 @@ from typing import override
 
 from mistralai import Mistral, models
 
-from bulkgen.config import IMAGE_EXTENSIONS, TargetConfig
-from bulkgen.providers import Provider
-from bulkgen.providers.models import Capability, ModelInfo
+from hokusai.config import IMAGE_EXTENSIONS, TargetConfig
+from hokusai.providers import Provider
+from hokusai.providers.models import Capability, ModelInfo
 
 
 def _image_to_data_url(path: Path) -> str:
@@ -128,7 +128,7 @@ def _build_multimodal_message(
         models.TextChunk(text=prompt),
     ]
 
-    from bulkgen.config import IMAGE_EXTENSIONS
+    from hokusai.config import IMAGE_EXTENSIONS
 
     for name in input_names:
         input_path = project_dir / name
diff --git a/bulkgen/providers/models.py b/hokusai/providers/models.py
similarity index 100%
rename from bulkgen/providers/models.py
rename to hokusai/providers/models.py
diff --git a/bulkgen/providers/openai_image.py b/hokusai/providers/openai_image.py
similarity index 98%
rename from bulkgen/providers/openai_image.py
rename to hokusai/providers/openai_image.py
index fe5bbfb..398b64e 100644
--- a/bulkgen/providers/openai_image.py
+++ b/hokusai/providers/openai_image.py
@@ -10,9 +10,9 @@ import httpx
 from openai import AsyncOpenAI
 from openai.types.images_response import ImagesResponse
 
-from bulkgen.config import TargetConfig
-from bulkgen.providers import Provider
-from bulkgen.providers.models import Capability, ModelInfo
+from hokusai.config import TargetConfig
+from hokusai.providers import Provider
+from hokusai.providers.models import Capability, ModelInfo
 
 _SIZE = Literal[
     "auto",
diff --git a/bulkgen/providers/openai_text.py b/hokusai/providers/openai_text.py
similarity index 97%
rename from bulkgen/providers/openai_text.py
rename to hokusai/providers/openai_text.py
index b1006c4..d205aa2 100644
--- a/bulkgen/providers/openai_text.py
+++ b/hokusai/providers/openai_text.py
@@ -15,9 +15,9 @@ from openai.types.chat import (
     ChatCompletionUserMessageParam,
 )
 
-from bulkgen.config import IMAGE_EXTENSIONS, TargetConfig
-from bulkgen.providers import Provider
-from bulkgen.providers.models import Capability, ModelInfo
+from hokusai.config import IMAGE_EXTENSIONS, TargetConfig
+from hokusai.providers import Provider
+from hokusai.providers.models import Capability, ModelInfo
 
 
 def _image_to_data_url(path: Path) -> str:
diff --git a/bulkgen/providers/registry.py b/hokusai/providers/registry.py
similarity index 58%
rename from bulkgen/providers/registry.py
rename to hokusai/providers/registry.py
index 9ac12b8..0161019 100644
--- a/bulkgen/providers/registry.py
+++ b/hokusai/providers/registry.py
@@ -2,15 +2,15 @@
 
 from __future__ import annotations
 
-from bulkgen.providers.models import ModelInfo
+from hokusai.providers.models import ModelInfo
 
 
 def get_all_models() -> list[ModelInfo]:
     """Return the merged list of models from all providers."""
-    from bulkgen.providers.blackforest import BlackForestProvider
-    from bulkgen.providers.mistral import MistralProvider
-    from bulkgen.providers.openai_image import OpenAIImageProvider
-    from bulkgen.providers.openai_text import OpenAITextProvider
+    from hokusai.providers.blackforest import BlackForestProvider
+    from hokusai.providers.mistral import MistralProvider
+    from hokusai.providers.openai_image import OpenAIImageProvider
+    from hokusai.providers.openai_text import OpenAITextProvider
 
     return (
         MistralProvider.get_provided_models()
diff --git a/bulkgen/resolve.py b/hokusai/resolve.py
similarity index 95%
rename from bulkgen/resolve.py
rename to hokusai/resolve.py
index 1e2b48b..63ee2cc 100644
--- a/bulkgen/resolve.py
+++ b/hokusai/resolve.py
@@ -2,7 +2,7 @@ from __future__ import annotations
 
 from pathlib import Path
 
-from bulkgen.config import (
+from hokusai.config import (
     IMAGE_EXTENSIONS,
     TEXT_EXTENSIONS,
     Defaults,
@@ -10,7 +10,7 @@ from bulkgen.config import (
     TargetType,
     target_type_from_capabilities,
 )
-from bulkgen.providers.models import Capability, ModelInfo
+from hokusai.providers.models import Capability, ModelInfo
 
 
 def infer_required_capabilities(
@@ -53,7 +53,7 @@ def resolve_model(
 
     Raises :class:`ValueError` if no suitable model can be found.
     """
-    from bulkgen.providers.registry import get_all_models
+    from hokusai.providers.registry import get_all_models
 
     all_models = get_all_models()
     required = infer_required_capabilities(target_name, target)
diff --git a/bulkgen/state.py b/hokusai/state.py
similarity index 93%
rename from bulkgen/state.py
rename to hokusai/state.py
index 5e87b1e..d10b955 100644
--- a/bulkgen/state.py
+++ b/hokusai/state.py
@@ -1,4 +1,4 @@
-"""Incremental build state tracking via ``.<project>.bulkgen-state.yaml``."""
+"""Incremental build state tracking via ``.<project>.hokusai-state.yaml``."""
 
 from __future__ import annotations
 
@@ -12,10 +12,10 @@ from pydantic import BaseModel
 def state_filename(project_name: str) -> str:
     """Return the state filename for a given project name.
 
-    For a config file named ``cards.bulkgen.yaml`` the project name is
-    ``cards`` and the state file is ``.cards.bulkgen-state.yaml``.
+    For a config file named ``cards.hokusai.yaml`` the project name is
+    ``cards`` and the state file is ``.cards.hokusai-state.yaml``.
     """
-    return f".{project_name}.bulkgen-state.yaml"
+    return f".{project_name}.hokusai-state.yaml"
 
 
 class TargetState(BaseModel):
diff --git a/main.py b/main.py
index 816f76c..8cdbc1c 100644
--- a/main.py
+++ b/main.py
@@ -1,6 +1,6 @@
-"""Entry point for the bulkgen CLI."""
+"""Entry point for the hokusai CLI."""
 
-from bulkgen.cli import app
+from hokusai.cli import app
 
 
 def main() -> None:
diff --git a/nix/hm-module.nix b/nix/hm-module.nix
index 33fc0b2..90f5d38 100644
--- a/nix/hm-module.nix
+++ b/nix/hm-module.nix
@@ -6,12 +6,12 @@ self:
   ...
 }:
 let
-  cfg = config.programs.bulkgen;
+  cfg = config.programs.hokusai;
 in
 {
-  options.programs.bulkgen = {
-    enable = lib.mkEnableOption "bulkgen";
-    package = lib.mkPackageOption self.packages.${pkgs.system} "bulkgen" { };
+  options.programs.hokusai = {
+    enable = lib.mkEnableOption "hokusai";
+    package = lib.mkPackageOption self.packages.${pkgs.system} "hokusai" { };
   };
 
   config = lib.mkIf cfg.enable {
diff --git a/pyproject.toml b/pyproject.toml
index 3c7abd6..4430c1a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,5 +1,5 @@
 [project]
-name = "bulkgen"
+name = "hokusai"
 version = "0.1.0"
 description = "Bulk-Generate Images with Generative AI"
 readme = "README.md"
@@ -16,7 +16,7 @@ dependencies = [
 ]
 
 [project.scripts]
-bulkgen = "bulkgen.cli:app"
+hokusai = "hokusai.cli:app"
 
 [build-system]
 requires = ["hatchling"]
diff --git a/tests/conftest.py b/tests/conftest.py
index d29c5be..37ee407 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -1,4 +1,4 @@
-"""Shared fixtures for bulkgen integration tests."""
+"""Shared fixtures for hokusai integration tests."""
 
 from __future__ import annotations
 
@@ -8,7 +8,7 @@ from pathlib import Path
 import pytest
 import yaml
 
-from bulkgen.config import ProjectConfig, load_config
+from hokusai.config import ProjectConfig, load_config
 
 WriteConfig = Callable[[dict[str, object]], ProjectConfig]
 
@@ -21,7 +21,7 @@ def project_dir(tmp_path: Path) -> Path:
 
 @pytest.fixture
 def write_config(project_dir: Path) -> WriteConfig:
-    """Write a bulkgen YAML config and return the loaded ProjectConfig.
+    """Write a hokusai YAML config and return the loaded ProjectConfig.
 
     Usage::
 
@@ -29,7 +29,7 @@ def write_config(project_dir: Path) -> WriteConfig:
     """
 
     def _write(raw: dict[str, object]) -> ProjectConfig:
-        config_path = project_dir / "project.bulkgen.yaml"
+        config_path = project_dir / "project.hokusai.yaml"
         _ = config_path.write_text(yaml.dump(raw, default_flow_style=False))
         return load_config(config_path)
 
diff --git a/tests/test_builder.py b/tests/test_builder.py
index 867e7fe..70031a9 100644
--- a/tests/test_builder.py
+++ b/tests/test_builder.py
@@ -1,4 +1,4 @@
-"""Integration tests for bulkgen.builder."""
+"""Integration tests for hokusai.builder."""
 
 from __future__ import annotations
 
@@ -9,17 +9,17 @@ from unittest.mock import patch
 
 import pytest
 
-from bulkgen.builder import (
+from hokusai.builder import (
     _collect_all_deps,  # pyright: ignore[reportPrivateUsage]
     _collect_dep_files,  # pyright: ignore[reportPrivateUsage]
     _collect_extra_params,  # pyright: ignore[reportPrivateUsage]
     _resolve_prompt,  # pyright: ignore[reportPrivateUsage]
     run_build,
 )
-from bulkgen.config import ProjectConfig, TargetConfig
-from bulkgen.providers import Provider
-from bulkgen.providers.models import Capability, ModelInfo
-from bulkgen.state import load_state
+from hokusai.config import ProjectConfig, TargetConfig
+from hokusai.providers import Provider
+from hokusai.providers.models import Capability, ModelInfo
+from hokusai.state import load_state
 
 WriteConfig = Callable[[dict[str, object]], ProjectConfig]
 
@@ -197,7 +197,7 @@ class TestRunBuild:
     async def test_build_single_text_target(
         self, project_dir: Path, simple_text_config: ProjectConfig
     ) -> None:
-        with patch("bulkgen.builder._create_providers", return_value=_fake_providers()):
+        with patch("hokusai.builder._create_providers", return_value=_fake_providers()):
             result = await run_build(simple_text_config, project_dir, _PROJECT)
 
         assert result.built == ["output.txt"]
@@ -208,7 +208,7 @@ class TestRunBuild:
     async def test_build_chain_dependency(
         self, project_dir: Path, multi_target_config: ProjectConfig
     ) -> None:
-        with patch("bulkgen.builder._create_providers", return_value=_fake_providers()):
+        with patch("hokusai.builder._create_providers", return_value=_fake_providers()):
             result = await run_build(multi_target_config, project_dir, _PROJECT)
 
         assert "summary.md" in result.built
@@ -223,7 +223,7 @@ class TestRunBuild:
     async def test_incremental_build_skips_clean_targets(
         self, project_dir: Path, simple_text_config: ProjectConfig
     ) -> None:
-        with patch("bulkgen.builder._create_providers", return_value=_fake_providers()):
+        with patch("hokusai.builder._create_providers", return_value=_fake_providers()):
             result1 = await run_build(simple_text_config, project_dir, _PROJECT)
             assert result1.built == ["output.txt"]
 
@@ -235,7 +235,7 @@ class TestRunBuild:
         self, project_dir: Path, write_config: WriteConfig
     ) -> None:
         config1 = write_config({"targets": {"out.txt": {"prompt": "version 1"}}})
-        with patch("bulkgen.builder._create_providers", return_value=_fake_providers()):
+        with patch("hokusai.builder._create_providers", return_value=_fake_providers()):
             r1 = await run_build(config1, project_dir, _PROJECT)
             assert r1.built == ["out.txt"]
 
@@ -250,7 +250,7 @@ class TestRunBuild:
         config = write_config(
             {"targets": {"out.md": {"prompt": "x", "inputs": ["data.txt"]}}}
         )
-        with patch("bulkgen.builder._create_providers", return_value=_fake_providers()):
+        with patch("hokusai.builder._create_providers", return_value=_fake_providers()):
             r1 = await run_build(config, project_dir, _PROJECT)
             assert r1.built == ["out.md"]
 
@@ -261,7 +261,7 @@ class TestRunBuild:
     async def test_selective_build_single_target(
         self, project_dir: Path, multi_target_config: ProjectConfig
     ) -> None:
-        with patch("bulkgen.builder._create_providers", return_value=_fake_providers()):
+        with patch("hokusai.builder._create_providers", return_value=_fake_providers()):
             result = await run_build(
                 multi_target_config, project_dir, _PROJECT, target="summary.md"
             )
@@ -273,7 +273,7 @@ class TestRunBuild:
     async def test_selective_build_unknown_target_raises(
         self, project_dir: Path, simple_text_config: ProjectConfig
     ) -> None:
-        with patch("bulkgen.builder._create_providers", return_value=_fake_providers()):
+        with patch("hokusai.builder._create_providers", return_value=_fake_providers()):
             with pytest.raises(ValueError, match="Unknown target"):
                 _ = await run_build(
                     simple_text_config, project_dir, _PROJECT, target="nonexistent.txt"
@@ -321,7 +321,7 @@ class TestRunBuild:
         routing_provider.generate = selective_generate  # type: ignore[assignment]
 
         with patch(
-            "bulkgen.builder._create_providers",
+            "hokusai.builder._create_providers",
             return_value=[routing_provider, FakeImageProvider()],
         ):
             result = await run_build(config, project_dir, _PROJECT)
@@ -342,7 +342,7 @@ class TestRunBuild:
         )
 
         with patch(
-            "bulkgen.builder._create_providers",
+            "hokusai.builder._create_providers",
             return_value=[FailingTextProvider(), FakeImageProvider()],
         ):
             result = await run_build(config, project_dir, _PROJECT)
@@ -355,7 +355,7 @@ class TestRunBuild:
         self, project_dir: Path, simple_text_config: ProjectConfig
     ) -> None:
         with patch(
-            "bulkgen.builder._create_providers",
+            "hokusai.builder._create_providers",
             return_value=[],
         ):
             result = await run_build(simple_text_config, project_dir, _PROJECT)
@@ -374,7 +374,7 @@ class TestRunBuild:
                 }
             }
         )
-        with patch("bulkgen.builder._create_providers", return_value=_fake_providers()):
+        with patch("hokusai.builder._create_providers", return_value=_fake_providers()):
             _ = await run_build(config, project_dir, _PROJECT)
 
         state = load_state(project_dir, _PROJECT)
@@ -386,7 +386,7 @@ class TestRunBuild:
     ) -> None:
         config = write_config({"targets": {"out.txt": {"prompt": prompt_file.name}}})
 
-        with patch("bulkgen.builder._create_providers", return_value=_fake_providers()):
+        with patch("hokusai.builder._create_providers", return_value=_fake_providers()):
             result = await run_build(config, project_dir, _PROJECT)
 
         assert result.built == ["out.txt"]
@@ -396,7 +396,7 @@ class TestRunBuild:
     async def test_rebuild_after_output_deleted(
         self, project_dir: Path, simple_text_config: ProjectConfig
     ) -> None:
-        with patch("bulkgen.builder._create_providers", return_value=_fake_providers()):
+        with patch("hokusai.builder._create_providers", return_value=_fake_providers()):
             r1 = await run_build(simple_text_config, project_dir, _PROJECT)
             assert r1.built == ["output.txt"]
 
@@ -421,7 +421,7 @@ class TestRunBuild:
                 }
             }
         )
-        with patch("bulkgen.builder._create_providers", return_value=_fake_providers()):
+        with patch("hokusai.builder._create_providers", return_value=_fake_providers()):
             result = await run_build(config, project_dir, _PROJECT)
 
         assert set(result.built) == {"left.md", "right.md", "merge.txt"}
diff --git a/tests/test_cli.py b/tests/test_cli.py
index 9c00cd9..1d2dca2 100644
--- a/tests/test_cli.py
+++ b/tests/test_cli.py
@@ -1,4 +1,4 @@
-"""Integration tests for bulkgen.cli.
+"""Integration tests for hokusai.cli.
 
 Patching ``Path.cwd()`` produces Any-typed return values from mock objects.
 """
@@ -13,8 +13,8 @@ import pytest
 import yaml
 from typer.testing import CliRunner
 
-from bulkgen.builder import BuildResult
-from bulkgen.cli import app
+from hokusai.builder import BuildResult
+from hokusai.cli import app
 
 runner = CliRunner()
 
@@ -28,7 +28,7 @@ def cli_project(tmp_path: Path) -> Path:
             "image.png": {"prompt": "Generate image"},
         }
     }
-    _ = (tmp_path / "project.bulkgen.yaml").write_text(
+    _ = (tmp_path / "project.hokusai.yaml").write_text(
         yaml.dump(config, default_flow_style=False)
     )
     return tmp_path
@@ -38,24 +38,24 @@ class TestFindConfig:
     """Test config file discovery."""
 
     def test_no_config_file(self, tmp_path: Path) -> None:
-        with patch("bulkgen.cli.Path") as mock_path_cls:
+        with patch("hokusai.cli.Path") as mock_path_cls:
             mock_path_cls.cwd.return_value = tmp_path
             result = runner.invoke(app, ["build"])
         assert result.exit_code != 0
-        assert "No .bulkgen.yaml file found" in result.output
+        assert "No .hokusai.yaml file found" in result.output
 
     def test_multiple_config_files(self, tmp_path: Path) -> None:
-        _ = (tmp_path / "a.bulkgen.yaml").write_text(
+        _ = (tmp_path / "a.hokusai.yaml").write_text(
             yaml.dump({"targets": {"x.txt": {"prompt": "a"}}})
         )
-        _ = (tmp_path / "b.bulkgen.yaml").write_text(
+        _ = (tmp_path / "b.hokusai.yaml").write_text(
             yaml.dump({"targets": {"y.txt": {"prompt": "b"}}})
         )
-        with patch("bulkgen.cli.Path") as mock_path_cls:
+        with patch("hokusai.cli.Path") as mock_path_cls:
             mock_path_cls.cwd.return_value = tmp_path
             result = runner.invoke(app, ["build"])
         assert result.exit_code != 0
-        assert "Multiple .bulkgen.yaml files found" in result.output
+        assert "Multiple .hokusai.yaml files found" in result.output
 
 
 class TestBuildCommand:
@@ -66,9 +66,9 @@ class TestBuildCommand:
             built=["output.txt", "image.png"], skipped=[], failed={}
         )
         with (
-            patch("bulkgen.cli.Path") as mock_path_cls,
+            patch("hokusai.cli.Path") as mock_path_cls,
             patch(
-                "bulkgen.cli.run_build",
+                "hokusai.cli.run_build",
                 new_callable=AsyncMock,
                 return_value=build_result,
             ),
@@ -84,9 +84,9 @@ class TestBuildCommand:
             built=[], skipped=["output.txt", "image.png"], failed={}
         )
         with (
-            patch("bulkgen.cli.Path") as mock_path_cls,
+            patch("hokusai.cli.Path") as mock_path_cls,
             patch(
-                "bulkgen.cli.run_build",
+                "hokusai.cli.run_build",
                 new_callable=AsyncMock,
                 return_value=build_result,
             ),
@@ -104,9 +104,9 @@ class TestBuildCommand:
             failed={"image.png": "Missing BFL_API_KEY"},
         )
         with (
-            patch("bulkgen.cli.Path") as mock_path_cls,
+            patch("hokusai.cli.Path") as mock_path_cls,
             patch(
-                "bulkgen.cli.run_build",
+                "hokusai.cli.run_build",
                 new_callable=AsyncMock,
                 return_value=build_result,
             ),
@@ -120,9 +120,9 @@ class TestBuildCommand:
     def test_build_specific_target(self, cli_project: Path) -> None:
         build_result = BuildResult(built=["output.txt"], skipped=[], failed={})
         with (
-            patch("bulkgen.cli.Path") as mock_path_cls,
+            patch("hokusai.cli.Path") as mock_path_cls,
             patch(
-                "bulkgen.cli.run_build",
+                "hokusai.cli.run_build",
                 new_callable=AsyncMock,
                 return_value=build_result,
             ) as mock_run,
@@ -142,10 +142,10 @@ class TestCleanCommand:
     def test_clean_removes_targets(self, cli_project: Path) -> None:
         _ = (cli_project / "output.txt").write_text("generated")
         _ = (cli_project / "image.png").write_bytes(b"\x89PNG")
-        state_file = ".project.bulkgen-state.yaml"
+        state_file = ".project.hokusai-state.yaml"
         _ = (cli_project / state_file).write_text("targets: {}")
 
-        with patch("bulkgen.cli.Path") as mock_path_cls:
+        with patch("hokusai.cli.Path") as mock_path_cls:
             mock_path_cls.cwd.return_value = cli_project
             result = runner.invoke(app, ["clean"])
 
@@ -156,7 +156,7 @@ class TestCleanCommand:
         assert "Cleaned 2 artifact(s)" in result.output
 
     def test_clean_no_artifacts(self, cli_project: Path) -> None:
-        with patch("bulkgen.cli.Path") as mock_path_cls:
+        with patch("hokusai.cli.Path") as mock_path_cls:
             mock_path_cls.cwd.return_value = cli_project
             result = runner.invoke(app, ["clean"])
 
@@ -166,7 +166,7 @@ class TestCleanCommand:
     def test_clean_partial_artifacts(self, cli_project: Path) -> None:
         _ = (cli_project / "output.txt").write_text("generated")
 
-        with patch("bulkgen.cli.Path") as mock_path_cls:
+        with patch("hokusai.cli.Path") as mock_path_cls:
             mock_path_cls.cwd.return_value = cli_project
             result = runner.invoke(app, ["clean"])
 
@@ -180,10 +180,10 @@ class TestGraphCommand:
 
     def test_graph_single_target(self, tmp_path: Path) -> None:
         config = {"targets": {"out.txt": {"prompt": "hello"}}}
-        _ = (tmp_path / "test.bulkgen.yaml").write_text(
+        _ = (tmp_path / "test.hokusai.yaml").write_text(
             yaml.dump(config, default_flow_style=False)
         )
-        with patch("bulkgen.cli.Path") as mock_path_cls:
+        with patch("hokusai.cli.Path") as mock_path_cls:
             mock_path_cls.cwd.return_value = tmp_path
             result = runner.invoke(app, ["graph"])
 
@@ -198,10 +198,10 @@ class TestGraphCommand:
                 "step2.txt": {"prompt": "y", "inputs": ["step1.md"]},
             }
         }
-        _ = (tmp_path / "test.bulkgen.yaml").write_text(
+        _ = (tmp_path / "test.hokusai.yaml").write_text(
             yaml.dump(config, default_flow_style=False)
         )
-        with patch("bulkgen.cli.Path") as mock_path_cls:
+        with patch("hokusai.cli.Path") as mock_path_cls:
             mock_path_cls.cwd.return_value = tmp_path
             result = runner.invoke(app, ["graph"])
 
@@ -219,10 +219,10 @@ class TestGraphCommand:
                 "b.txt": {"prompt": "y", "inputs": ["a.txt"]},
             }
         }
-        _ = (tmp_path / "test.bulkgen.yaml").write_text(
+        _ = (tmp_path / "test.hokusai.yaml").write_text(
             yaml.dump(config, default_flow_style=False)
         )
-        with patch("bulkgen.cli.Path") as mock_path_cls:
+        with patch("hokusai.cli.Path") as mock_path_cls:
             mock_path_cls.cwd.return_value = tmp_path
             result = runner.invoke(app, ["graph"])
 
diff --git a/tests/test_config.py b/tests/test_config.py
index a858b0a..612d1b8 100644
--- a/tests/test_config.py
+++ b/tests/test_config.py
@@ -1,4 +1,4 @@
-"""Integration tests for bulkgen.config."""
+"""Integration tests for hokusai.config."""
 
 from __future__ import annotations
 
@@ -7,14 +7,14 @@ from pathlib import Path
 import pytest
 import yaml
 
-from bulkgen.config import load_config
+from hokusai.config import load_config
 
 
 class TestLoadConfig:
     """Test loading and validating YAML config files end-to-end."""
 
     def test_minimal_config(self, project_dir: Path) -> None:
-        config_path = project_dir / "test.bulkgen.yaml"
+        config_path = project_dir / "test.hokusai.yaml"
         _ = config_path.write_text(
             yaml.dump({"targets": {"out.txt": {"prompt": "hello"}}})
         )
@@ -47,7 +47,7 @@ class TestLoadConfig:
                 },
             },
         }
-        config_path = project_dir / "full.bulkgen.yaml"
+        config_path = project_dir / "full.hokusai.yaml"
         _ = config_path.write_text(yaml.dump(raw, default_flow_style=False))
 
         config = load_config(config_path)
@@ -67,14 +67,14 @@ class TestLoadConfig:
         assert story.inputs == ["banner.png"]
 
     def test_empty_targets_rejected(self, project_dir: Path) -> None:
-        config_path = project_dir / "empty.bulkgen.yaml"
+        config_path = project_dir / "empty.hokusai.yaml"
         _ = config_path.write_text(yaml.dump({"targets": {}}))
 
         with pytest.raises(Exception, match="At least one target"):
             _ = load_config(config_path)
 
     def test_missing_prompt_rejected(self, project_dir: Path) -> None:
-        config_path = project_dir / "bad.bulkgen.yaml"
+        config_path = project_dir / "bad.hokusai.yaml"
         _ = config_path.write_text(yaml.dump({"targets": {"out.txt": {}}}))
 
         with pytest.raises(Exception):
diff --git a/tests/test_graph.py b/tests/test_graph.py
index 914714b..029a203 100644
--- a/tests/test_graph.py
+++ b/tests/test_graph.py
@@ -1,4 +1,4 @@
-"""Integration tests for bulkgen.graph."""
+"""Integration tests for hokusai.graph."""
 
 from __future__ import annotations
 
@@ -7,8 +7,8 @@ from pathlib import Path
 
 import pytest
 
-from bulkgen.config import ProjectConfig
-from bulkgen.graph import build_graph, get_build_order, get_subgraph_for_target
+from hokusai.config import ProjectConfig
+from hokusai.graph import build_graph, get_build_order, get_subgraph_for_target
 
 WriteConfig = Callable[[dict[str, object]], ProjectConfig]
 
diff --git a/tests/test_providers.py b/tests/test_providers.py
index bc5e7e4..d690c9a 100644
--- a/tests/test_providers.py
+++ b/tests/test_providers.py
@@ -1,4 +1,4 @@
-"""Integration tests for bulkgen.providers (image and text).
+"""Integration tests for hokusai.providers (image and text).
 
 Mock-heavy tests produce many Any-typed expressions from MagicMock.
 """
@@ -12,16 +12,16 @@ from unittest.mock import AsyncMock, MagicMock, patch
 
 import pytest
 
-from bulkgen.config import TargetConfig
-from bulkgen.providers.bfl import BFLResult
-from bulkgen.providers.blackforest import BlackForestProvider
-from bulkgen.providers.blackforest import (
+from hokusai.config import TargetConfig
+from hokusai.providers.bfl import BFLResult
+from hokusai.providers.blackforest import BlackForestProvider
+from hokusai.providers.blackforest import (
     _encode_image_b64 as encode_image_b64,  # pyright: ignore[reportPrivateUsage]
 )
-from bulkgen.providers.mistral import MistralProvider
-from bulkgen.providers.models import ModelInfo
-from bulkgen.providers.openai_image import OpenAIImageProvider
-from bulkgen.providers.registry import get_all_models
+from hokusai.providers.mistral import MistralProvider
+from hokusai.providers.models import ModelInfo
+from hokusai.providers.openai_image import OpenAIImageProvider
+from hokusai.providers.registry import get_all_models
 
 
 def _model(name: str) -> ModelInfo:
@@ -85,8 +85,8 @@ class TestBlackForestProvider:
         bfl_result, mock_http = _make_bfl_mocks(image_bytes)
 
         with (
-            patch("bulkgen.providers.blackforest.BFLClient") as mock_cls,
-            patch("bulkgen.providers.blackforest.httpx.AsyncClient") as mock_http_cls,
+            patch("hokusai.providers.blackforest.BFLClient") as mock_cls,
+            patch("hokusai.providers.blackforest.httpx.AsyncClient") as mock_http_cls,
         ):
             mock_cls.return_value.generate = AsyncMock(return_value=bfl_result)
             mock_http_cls.return_value = mock_http
@@ -111,8 +111,8 @@ class TestBlackForestProvider:
         bfl_result, mock_http = _make_bfl_mocks(image_bytes)
 
         with (
-            patch("bulkgen.providers.blackforest.BFLClient") as mock_cls,
-            patch("bulkgen.providers.blackforest.httpx.AsyncClient") as mock_http_cls,
+            patch("hokusai.providers.blackforest.BFLClient") as mock_cls,
+            patch("hokusai.providers.blackforest.httpx.AsyncClient") as mock_http_cls,
         ):
             mock_generate = AsyncMock(return_value=bfl_result)
             mock_cls.return_value.generate = mock_generate
@@ -142,8 +142,8 @@ class TestBlackForestProvider:
         bfl_result, mock_http = _make_bfl_mocks(image_bytes)
 
         with (
-            patch("bulkgen.providers.blackforest.BFLClient") as mock_cls,
-            patch("bulkgen.providers.blackforest.httpx.AsyncClient") as mock_http_cls,
+            patch("hokusai.providers.blackforest.BFLClient") as mock_cls,
+            patch("hokusai.providers.blackforest.httpx.AsyncClient") as mock_http_cls,
         ):
             mock_generate = AsyncMock(return_value=bfl_result)
             mock_cls.return_value.generate = mock_generate
@@ -177,8 +177,8 @@ class TestBlackForestProvider:
         bfl_result, mock_http = _make_bfl_mocks(image_bytes)
 
         with (
-            patch("bulkgen.providers.blackforest.BFLClient") as mock_cls,
-            patch("bulkgen.providers.blackforest.httpx.AsyncClient") as mock_http_cls,
+            patch("hokusai.providers.blackforest.BFLClient") as mock_cls,
+            patch("hokusai.providers.blackforest.httpx.AsyncClient") as mock_http_cls,
         ):
             mock_generate = AsyncMock(return_value=bfl_result)
             mock_cls.return_value.generate = mock_generate
@@ -208,8 +208,8 @@ class TestBlackForestProvider:
         bfl_result, mock_http = _make_bfl_mocks(image_bytes)
 
         with (
-            patch("bulkgen.providers.blackforest.BFLClient") as mock_cls,
-            patch("bulkgen.providers.blackforest.httpx.AsyncClient") as mock_http_cls,
+            patch("hokusai.providers.blackforest.BFLClient") as mock_cls,
+            patch("hokusai.providers.blackforest.httpx.AsyncClient") as mock_http_cls,
         ):
             mock_generate = AsyncMock(return_value=bfl_result)
             mock_cls.return_value.generate = mock_generate
@@ -231,8 +231,8 @@ class TestBlackForestProvider:
     async def test_image_no_sample_url_raises(self, project_dir: Path) -> None:
         target_config = TargetConfig(prompt="x")
 
-        with patch("bulkgen.providers.blackforest.BFLClient") as mock_cls:
-            from bulkgen.providers.bfl import BFLError
+        with patch("hokusai.providers.blackforest.BFLClient") as mock_cls:
+            from hokusai.providers.bfl import BFLError
 
             mock_cls.return_value.generate = AsyncMock(
                 side_effect=BFLError("BFL task test ready but no sample URL: {}")
@@ -264,7 +264,7 @@ class TestMistralProvider:
         target_config = TargetConfig(prompt="Write a poem")
         response = _make_text_response("Roses are red...")
 
-        with patch("bulkgen.providers.mistral.Mistral") as mock_cls:
+        with patch("hokusai.providers.mistral.Mistral") as mock_cls:
             mock_cls.return_value = _make_mistral_mock(response)
 
             provider = MistralProvider(api_key="test-key")
@@ -285,7 +285,7 @@ class TestMistralProvider:
         target_config = TargetConfig(prompt="Summarize", inputs=["source.txt"])
         response = _make_text_response("Summary: ...")
 
-        with patch("bulkgen.providers.mistral.Mistral") as mock_cls:
+        with patch("hokusai.providers.mistral.Mistral") as mock_cls:
             mock_client = _make_mistral_mock(response)
             mock_cls.return_value = mock_client
 
@@ -309,7 +309,7 @@ class TestMistralProvider:
         target_config = TargetConfig(prompt="Describe this image", inputs=["photo.png"])
         response = _make_text_response("A beautiful photo")
 
-        with patch("bulkgen.providers.mistral.Mistral") as mock_cls:
+        with patch("hokusai.providers.mistral.Mistral") as mock_cls:
             mock_client = _make_mistral_mock(response)
             mock_cls.return_value = mock_client
 
@@ -334,7 +334,7 @@ class TestMistralProvider:
         response = MagicMock()
         response.choices = []
 
-        with patch("bulkgen.providers.mistral.Mistral") as mock_cls:
+        with patch("hokusai.providers.mistral.Mistral") as mock_cls:
             mock_cls.return_value = _make_mistral_mock(response)
 
             provider = MistralProvider(api_key="test-key")
@@ -351,7 +351,7 @@ class TestMistralProvider:
         target_config = TargetConfig(prompt="x")
         response = _make_text_response(None)
 
-        with patch("bulkgen.providers.mistral.Mistral") as mock_cls:
+        with patch("hokusai.providers.mistral.Mistral") as mock_cls:
             mock_cls.return_value = _make_mistral_mock(response)
 
             provider = MistralProvider(api_key="test-key")
@@ -374,7 +374,7 @@ class TestMistralProvider:
         )
         response = _make_text_response("Combined")
 
-        with patch("bulkgen.providers.mistral.Mistral") as mock_cls:
+        with patch("hokusai.providers.mistral.Mistral") as mock_cls:
             mock_client = _make_mistral_mock(response)
             mock_cls.return_value = mock_client
 
@@ -405,7 +405,7 @@ class TestMistralProvider:
         )
         response = _make_text_response("A stylized image")
 
-        with patch("bulkgen.providers.mistral.Mistral") as mock_cls:
+        with patch("hokusai.providers.mistral.Mistral") as mock_cls:
             mock_client = _make_mistral_mock(response)
             mock_cls.return_value = mock_client
 
@@ -459,7 +459,7 @@ class TestOpenAIImageProvider:
         b64 = base64.b64encode(image_bytes).decode()
         mock_client = _make_openai_mock(b64)
 
-        with patch("bulkgen.providers.openai_image.AsyncOpenAI") as mock_cls:
+        with patch("hokusai.providers.openai_image.AsyncOpenAI") as mock_cls:
             mock_cls.return_value = mock_client
 
             provider = OpenAIImageProvider(api_key="test-key")
@@ -493,7 +493,7 @@ class TestOpenAIImageProvider:
         b64 = base64.b64encode(image_bytes).decode()
         mock_client = _make_openai_mock(b64)
 
-        with patch("bulkgen.providers.openai_image.AsyncOpenAI") as mock_cls:
+        with patch("hokusai.providers.openai_image.AsyncOpenAI") as mock_cls:
             mock_cls.return_value = mock_client
 
             provider = OpenAIImageProvider(api_key="test-key")
diff --git a/tests/test_resolve.py b/tests/test_resolve.py
index 3c33e6e..ad27574 100644
--- a/tests/test_resolve.py
+++ b/tests/test_resolve.py
@@ -1,15 +1,15 @@
-"""Integration tests for bulkgen.config."""
+"""Integration tests for hokusai.config."""
 
 from __future__ import annotations
 
 import pytest
 
-from bulkgen.config import (
+from hokusai.config import (
     Defaults,
     TargetConfig,
 )
-from bulkgen.providers.models import Capability
-from bulkgen.resolve import infer_required_capabilities, resolve_model
+from hokusai.providers.models import Capability
+from hokusai.resolve import infer_required_capabilities, resolve_model
 
 
 class TestInferRequiredCapabilities:
diff --git a/tests/test_state.py b/tests/test_state.py
index ab872cf..947501b 100644
--- a/tests/test_state.py
+++ b/tests/test_state.py
@@ -1,4 +1,4 @@
-"""Integration tests for bulkgen.state."""
+"""Integration tests for hokusai.state."""
 
 from __future__ import annotations
 
@@ -6,7 +6,7 @@ from pathlib import Path
 
 import yaml
 
-from bulkgen.state import (
+from hokusai.state import (
     BuildState,
     TargetState,
     hash_file,
@@ -41,10 +41,10 @@ class TestStateFilename:
     """Test state filename derivation."""
 
     def test_state_filename(self) -> None:
-        assert state_filename("cards") == ".cards.bulkgen-state.yaml"
+        assert state_filename("cards") == ".cards.hokusai-state.yaml"
 
     def test_state_filename_simple(self) -> None:
-        assert state_filename("project") == ".project.bulkgen-state.yaml"
+        assert state_filename("project") == ".project.hokusai-state.yaml"
 
 
 class TestStatePersistence:
diff --git a/uv.lock b/uv.lock
index 9b76caa..4b1cd63 100644
--- a/uv.lock
+++ b/uv.lock
@@ -45,7 +45,7 @@ wheels = [
 ]
 
 [[package]]
-name = "bulkgen"
+name = "hokusai"
 version = "0.1.0"
 source = { editable = "." }
 dependencies = [