[Feature]: Specify the task of reading the previous specs automatically or manually

### Problem Statement

Specify the task of reading the previous specs automatically or manually.

### Proposed Solution

Specify the task of reading the previous specs automatically or manually

### Alternatives Considered

_No response_

### Component

Specify CLI (initialization, commands)

### AI Agent (if applicable)

None

### Use Cases

_No response_

### Acceptance Criteria

_No response_

### Additional Context

_No response_

Start by reviewing the CLI initialization and command components named in the issue, then trace how existing specs are currently discovered or loaded. Clarify whether reading previous specs should be automatic, manual, or both, and define the command behavior and acceptance checks before implementation; no files or tests are identified in the issue.

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