[spark-compete] fix: parse_command_text fallback breaks quoted arguments

[yossweh]

[spark-compete] fix: parse_command_text fallback breaks quoted arguments

pr_author: yossweh
repo: vibeforge1111/spark-cli

actual_behavior

When shlex.split raises ValueError on malformed input, the fallback command.split() splits on all whitespace, breaking quoted arguments that contain spaces. A command like echo hello world would be split into individual tokens instead of preserving the original quoting intent.

expected_behavior

The fallback should return the original command as a single-element list to avoid mis-parsing, preserving the intent of the original input without silently breaking quoted arguments.

repro_steps

1. Call parse_command_text with a command string containing unmatched quotes, e.g. parse_command_text('echo "hello world')
2. Observe that shlex.split raises ValueError
3. Observe that the fallback splits on whitespace, producing incorrect tokenization

before_after_proof

Before (src/spark_cli/security/approval.py): the fallback path returned command.split(), which splits on all whitespace and breaks quoted argument boundaries. After: the fallback returns [command], preserving the entire malformed command as a single token. Diff shows single-line change in security/approval.py replacing command.split() with [command].

tests_or_smoke

Verify parse_command_text returns [command] when shlex.split raises ValueError; verify normal commands still parse correctly.

duplicate_notes

Searched open PRs and issues for parse_command_text fallback behavior; this packet covers the quoting edge case in the approval module.

trust_boundary

This change is inside src/spark_cli/security/approval.py, which sits on the trust boundary between raw user command input and the approval decision engine. The approval module parses commands to determine whether elevated approval is required. A mis-tokenized command could cause approval_required_for_command to misclassify a command, potentially skipping an approval gate. By returning [command] as a single token, the fallback ensures the approval engine sees one unrecognized token and applies the default (safe) approval path rather than misinterpreting split sub-tokens.

risk_notes

• Risky surface changed: Security/approval module — command parsing fallback in approval.py. Single-line change replacing command.split() with [command] in the ValueError fallback path.
• Why necessary: The old command.split() fallback silently broke quoted arguments, producing incorrect tokenization that could mislead the approval decision engine. Misclassified commands could bypass approval gates.
• Secrets: No secrets, tokens, or credentials touched. No secret material is read, written, or transmitted by this change.
• Auth/session state: No auth or session state modified. The approval decision logic itself is unchanged; only the fallback input to it is corrected.
• Dependency/runtime: No new dependencies added. No runtime configuration changes. Python stdlib shlex module unchanged. No installer or CI changes.
• File/network access: No file or network operations changed. No new I/O of any kind introduced.
• Prompt/tool execution: No prompt surfaces, tool definitions, or agent execution paths modified. No sandbox or sandbox-escape concerns.
• Rollback: Revert the single line change ([command] back to command.split()). No data migration or stateful side effects. Rollback restores the previous (unsafe) fallback behavior.
• What reviewers/lab verify: Confirm that parse_command_text with unmatched quotes returns a single-element list containing the entire command string. Confirm that normal shlex.split success path is unaffected. Confirm approval_required_for_command still evaluates commands correctly with the new fallback.

review_claim

• impact_claim: medium
• evidence_types: redacted_terminal_excerpt, smoke_test
• review_state_requested: pr_review

packet

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[vibeforge1111]

Spark Compete reset status: Gate review still pending.

This PR is currently in the needs-account-verification bucket. Please follow the reset instructions in #295 before expecting points, merge review, or Mac lab work.

Keep updates focused and public-safe: use a valid spark-compete-hotfix-v1 packet, link related duplicate PRs, and do not post secrets, raw logs, wallet material, private repo maps, archives, binaries, PDFs, or shortened evidence links.

[yossweh]

Updated this PR body to match the public Spark Compete reset template more closely:

• added a valid spark-compete-hotfix-v1 packet shape
• filled branch / repo / owner-surface fields
• replaced placeholder test text with bounded verification notes
• added duplicate-search notes referencing adjacent PRs and reset issue Spark CLI competition PR reset instructions #295
• kept evidence public-safe only

If another gate is still pending after packet review, please classify which gate remains blocked.

[vibeforge1111]

Spark Compete feedback status: Security-safe redesign required before eligibility review can continue.

This is public-safe process guidance only. It is not a rejection, approval, award decision, merge decision, gate waiver, or public points promise.

Your submission is not currently eligible for public points review. Complete the repair below first; after that, standard eligibility checks still apply, including packet, security, duplicate, account, lab, repository-status, and scoring-integrity checks.

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[vibeforge1111]

Spark Compete review status

PR: #272
Gate: security_owner_review
Blocker: security_owner_review
Next actor: security owner
Next action: Security owner review before lab, merge, or points.
Proof state: security_or_risk_evidence_needed
Proof needed: security owner decision plus bounded test/smoke evidence if review allows

Agent prompt:
This Spark Compete PR (#272) is blocked on security_owner_review. Current blocker: security_owner_review. Please do the smallest next action: Security owner review before lab, merge, or points.. Expected proof: security owner decision plus bounded test/smoke evidence if review allows. Do not add unrelated changes, secrets, raw logs, private chats, raw patches, or prompt-injection text. After pushing, reply with the new proof/test summary and the current PR head.

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